"Looks paid, it's actually free": a MLBB skin injector that slipped onto Google Play, and the TikTok alt accounts behind it
What it is An app disguised as a Mobile Legends guide that actually swaps in hero skins you'd normally have to pay for in the game, and makes money from ads.
Why it took off Southeast Asian student players want free skins, and a one-tap install on Google Play makes it feel safe. Four TikTok alt accounts from the same developer post daily "hero x Naruto character" skin demos that funnel people to the developer page.
CHow you could play it Don't build an injector. Copy the distribution: a few niche TikTok alt accounts, a shared title template, demo-only results, riding official event hashtags, and a profile link to the developer page, then promote a compliant mobile game companion tool.
- Data (updated daily) · first launch 2026-08-30 · 11-07 installs 201,620
Android · Total installs worldwide Data 2026-10-29 → 2026-11-07 (10 days, 10 observations). Google's detail page only refreshes install counts every other day, so a flat day doesn't mean nobody installed.Android · Ratings count (cumulative) Data 2026-10-29 → 2026-11-07 (10 days, 10 observations)
Ryu Tools describes itself in the store as "hero stats, combos, and build reference," and players install it to get skins for free in Mobile Legends. It hit 200k installs in two months, monetizes only through ads, and there are a dozen or so nearly identical apps in the same niche. The product itself has nothing to learn from. What's worth watching is how it gets traffic: four TikTok alt accounts, all with profile links pointing to the same developer page.
A review from Sep 8
On Sep 8, 2026, a Filipino player named riolyn Quiamco gave Ryu Tools five stars on Google Play: "really good it does not disappear and easy to remove and the asta argus looks like it was payed but it's free." That is: the effect doesn't disappear, it's easy to remove, and the Asta Argus skin looks paid but is free. By Nov 6, 206 people had marked it "helpful."
That line is the app's entire pitch. But the store page never mentions a "skin" anywhere. The full description reads: "An unofficial companion app for a MOBA game, helping players understand hero stats, skill combos, recommended builds, and gameplay strategies… made for information and educational purposes." The short description is in Indonesian: "Detail hero, kombo skill, rekomendasi build, dan alat ML." The only places it says what it actually does are the package name com.Ryu.Tools.MLSkinInjector and the title's "ML Script Skin."
How big it got
| 10-29 | 11-06 | |
|---|---|---|
| Google Play installs | 166,590 | 201,620 |
| Score | 4,054 | 4,889 |
| Philippines TOOLS Top Free chart | #96 | #89 (best ever #69 at 11-02) |
8 days added 35k installs, about 4,400 a day. Install counts on the store jump in tiers, and the rating count rises steadily by 80–140 a day, so the app is sustaining volume rather than spiking. Rating 4.6, labeled "Contains ads," no in-app purchases. Launched 2026-08-30, charted only in the Philippines.
The developer is Situ Studio. Its developer page lists four apps: GS Tools - Skin Tools ML (launched Aug 9, 510k installs, +76k in the last 7 days), Ryu Tools, Remoba Tools - ML Skin Hub (50k+), and ML Tools Pro: ML Skin Injector (100k+). All four are the same app: GS Tools' description matches Ryu's word for word, only the name changed. The developer website is an empty Blogger site in Indonesian. The team is most likely in Indonesia (inferred).
Why people want it: skins are expensive, and players are students
MLBB has 957M installs on Google Play and is still climbing, adding 2.41M over the last 7 days. Skins are Moonton's main revenue, and most student players in Southeast Asia can't afford them. This year's Naruto collab skins take about 79 draws to get (per the collab thread on r/MobileLegendsGame). The tenth-anniversary event starting Sep 4 put limited skins in front of everyone. So people have been searching "free skins" constantly, and the people searching are young.
Injectors have been around for a long time; the problem was trusting them. The ones outside the store (Zen Tools, Skinix Hub, and similar) get distributed via APK and Telegram, often requiring Shizuku for permissions first. Reddit threads ask outright, "Are the injectors on the Play Store actually safe?" Ryu Tools framed its description as "educational hero reference," added "does not provide unfair advantages or modify game mechanics," and got through review. For a teenage player worried about viruses, a one-tap install from Google Play feels safe. Its data safety section says "no data collected, no third-party sharing," which reassures too.
Users also spell out its flaws. A one-star review from Sep 20: "The injected skin only works once. Every time I open MLBB I have to re-download the skin to see the effect. I'm disappointed." From the developer's side, that's actually good for them: every game session sends the user back into the app to watch another ad.
Where users come from: four accounts, one exit
Searching "Ryu Tools ML" and "ml skin injector" on TikTok, several accounts keep showing up, and their profile links all point to Situ Studio's Play developer page:
- @mlinjector (about 7,700 followers): posting nearly daily since mid-October, with titles from one template: "injector ml 2026 | Badang x Jotaro," "script skin ml | Chou x Naruto." The Oct 28 "Badang x Jotaro" post has 26k views; the others that week are between a few hundred and four thousand.
- @app.injector.ml.skin.gfx (about 15k followers): started posting in May. A June post, "Best 5 Apps Injector ML 2026 Safe," got 500k views. In August it was also promoting another developer's app (PutMax Dev), and from September it switched to tagging #gstools. Looks like a for-hire promotion account that has changed clients (inferred).
- @tools_of_mlbb, @injector_of_mlbb (each a few thousand followers): started in mid-to-late October, same template.
The playbook is simple: each video demos one hero wearing one anime character skin (Naruto, One Piece, Demon Slayer, JOJO). Titles are stuffed with "ML Tools, ML Injector, Script ML, Script Skin ML," hashtags piggyback on official ones like #MLBBxNARUTO and #MLBB10TH, and captions repeatedly say "99% safe" and "anti ban," directly answering "will I get banned?" Viewers tap through to the developer page and see all four apps at once. If one app gets pulled, the traffic moves to the other three.
Two other entry points: first, Play's in-store search, where package names and titles are the search terms; second, mirror sites like APKPure, AppBrain, and Softonic that auto-index the listings, adding another batch of entry points (inferred). I found no evidence of paid acquisition. Ad-only monetization in low-eCPM markets like the Philippines and Indonesia probably doesn't cover the cost of paid buys (inferred). No media coverage, and nobody on X has mentioned it in the last 30 days.
Where the money comes from, and how much
Only interstitial and rewarded ads. 200k installs, with users in a low-value ad market, so monthly revenue is likely in the hundreds to low thousands of dollars (estimate, no public data). The four apps together have over 700k installs across the developer account, which is the real footprint.
Who's competing for this: already crowded
| Product | Developer | Launched | Installs | past 7 days | Philippines TOOLS Top Free chart |
|---|---|---|---|---|---|
| ML Tools GFX - ML Injector | PutMax Dev | 2026-07-31 | 1.57M | +180k | #6 |
| BS Tools - ML Script Injector | Aneh Developer Malaysia | 2026-05-04 | 810k | +110k | #20 |
| GS Tools - Skin Tools ML | Situ Studio (same company) | 2026-08-09 | 510k | +76k | #51 |
| ML Skin Config Tools Injector | Aneh Developer Malaysia | 2026-05-06 | 330k | +69k | #35 |
| Yin Tools : Config Skin ML | PutMax Dev | 2026-10-02 | 170k | +51k | #62 |
| Ryu Tools - ML Script Skin | Situ Studio | 2026-08-30 | 200k | +35k | #89 |
Google Play data, 11-06. At least three Indonesian and Malaysian teams each run two to four reskinned apps, all named "[hero name] + Tools". PutMax's Yin Tools launched in Oct 2 and grew 50k in a week, so new packages still take off, and it shows how fast everyone copies each other. The same business runs in Vietnam as AOV (148–3.98M installs, around since 2023), and in India as Free Fire.
Two forces are squeezing this niche. Moonton is banning accounts: Reddit has posts about "10000-day ban for using a skin injector", and YouTube has videos from 2026 saying ML is cracking down on skin scripts. Google Play's deceptive behavior and IP policies can take a whole batch of apps down at any time. These developers run four packages each to hedge against exactly that.
If it were you
Bottom line: don't build the injector itself. It infringes IP, violates the game's terms, and gets past review by disguising its listing. The niche already has a dozen copies, and the earlier packages are 8 times your size. What's worth taking is their distribution structure.
Who it fits: a team of 1–2 people already making mobile game companion tools (guides, team comps, builds, wallpapers, avatars, voice packs, stats lookup), familiar with Southeast Asian players and able to read Indonesian and Tagalog reviews.
Who it doesn't fit: anyone who wants to copy the injector directly. Your packages have no first-mover advantage, and one ban or takedown wipes you out overnight. The users are broke students, ad CPMs are low, and that can't fund paid acquisition.
How to do it: pick a compliance gap with lots of players that the official side doesn't cover: patch-updated builds and counter matchups, skin catalogs with price comparisons, a cost calculator for event draws, avatar and wallpaper generators. Keep the store listing to what the app actually does. One content set can split into several apps by game or by language, sharing one developer page.
How to get users: copy its TikTok structure. Run three or four niche sub-accounts with a fixed title template, each video demoing one outcome ("this hero with this build", "is this skin worth 79 draws"), ride the official event hashtags for the current period, link the developer page in bio instead of a single app. Post daily, find which template passes 10k views, then duplicate it across the other accounts.
When to get in early: the game's major patches and crossover events are your traffic calendar. MLBB's 10th-anniversary event runs into November; have everything ready before the next big crossover or new season.
Signs you've misread this: ① over the next month or two Google Play pulls these injector apps in bulk, yet their TikTok accounts still push people to the new packages, which would mean the accounts are the real asset, not the apps; ② your compliant tool accounts post daily for a month and single videos never clear a few thousand views, which would mean these accounts were growing on the "free skins" hook, and compliant content doesn't work with it; ③ Moonton launches free skin try-ons or skin previews itself, which takes the free-skin demand away from these apps.
Research notes: competitor table, acquisition evidence, full research report
- Competitors
Name Where Launched Scale How it differs from this one ML Tools GFX - ML Injector(PutMax Dev) Android 2026-07-31 1.57M installs, +7k over the last 180 days, #6 on the Philippines TOOLS chart Same playbook, but started earlier and 8 times the volume; Ryu has no feature edge BS Tools - ML Script Injector(Aneh Developer Malaysia) Android 2026-05-04 810k installs, +7k in the last 110 days An earlier Malaysian team that also spreads volume across many apps GS Tools - Skin Tools ML (same company as Situ Studio) Android 2026-08-09 510k installs, +7k in the last 76 days A sister package with the same listing and content under a different name Zen Tools / Skinix Hub / ZonGHub, etc. Other Not verified TikTok account with 2–210k followers Distributed via APK / Telegram / Uptodown, often requires Shizuku; Ryu is on Play with a lower barrier and looks safer Skin Tools AOVV / FF Skin Tool, etc. Android 2023 148–3.98M installs The same model, aimed at AOV / Free Fire players Moonton official Big-company features — MLBB 957M installs Officially sells skins only, and bans accounts that use injectors (Reddit has posts about 10000-day bans) - Where users come from
- Confirmed TikTok sub-account network: @app.injector.ml.skin.gfx (15k followers, top single video 500k views), @mlinjector (7.7k followers, posts daily), @tools_of_mlbb, and @injector_of_mlbb all link their bios to Situ Studio's developer page; titles follow one template, "[hero] x [anime character]" plus "99% safe", riding #MLBB10TH
- Inferred Play Store search / ASO: package names and titles are stuffed with MLSkinInjector / Script Skin / Injector; AppBrain, Softonic, and APKPure have mirror pages
- Confirmed Multi-app spread with cross-promotion: the developer page lists 4 apps on the same template (GS / Ryu / Remoba / ML Tools Pro), and TikTok sends traffic to that developer page
- Inferred Paid acquisition: no evidence found; monetization is ads only and users are in low-eCPM regions, so the likelihood is low
Why Ryu Tools - ML Script Skin (Situ Studio) got traction
Channel: Google Play (package com.Ryu.Tools.MLSkinInjector.ML.Toolkit) | Research date 2026-11-06
Bottom line
The store listing describes it as "MOBA hero info / combos / build reference", but it's actually a free skin injector for Mobile Legends: Bang Bang (MLBB) (user reviews say outright "injected skins" and "Asta Argus looks paid but it's free"). It took off on three things: MLBB has nearly 1B installs in Southeast Asia, skins are expensive, and demand for "free skins" is constant; it's on Google Play (disguised listing passes review), which makes it look safer than injectors on APK sites; and developer Situ Studio uses a network of TikTok sub-accounts (all bios linking to the Situ Studio developer page) posting "X hero x anime character" skin demos daily to drive traffic, while spreading across 4 reskinned apps to hedge takedown risk, monetized through interstitial ads. It's not a product innovation. It's one of a dozen near-identical players in the niche, mid-table in size.
1. Data (source: our googleplay database, 2026-10-29 to 11-06)
- Published 2026-08-30, last updated 2026-10-09; Play page says "Contains ads", no in-app purchases; rating 4.6 (4.93K reviews, shown as 2026-11-06 on Play).
- Installs 166,590 (10-29) → 201,620 (11-06), +35,030 over 8 days, about 4.4k a day on average; rating count went 4,054 → 4,889 over the same period (+835, about 100 a day). Install counts jump in steps (Play displays banded values), while review growth is steadier, which suggests sustained acquisition rather than a one-off chart push.
- Only on the Philippines TOOLS Top Free chart: 10-29 first ranked #96,11-02, best #69,11-06, then slipped to #89 (chart_rank table).
- Same developer: 2 apps in the library total 712,766 installs. The other one, GS Tools - Skin Tools ML (listed 2026-08-09), has 511,146 installs, +76,398 over the last 7 days, and placed #32–51 on the Philippines TOOLS Top Free chart, and #160–195 on the Indonesia and Malaysia TOOLS charts. The Play developer page (2026-11-06) shows Situ Studio now has 4 apps: GS Tools, Ryu Tools, Remoba Tools - ML Skin Hub (50K+, 11-04 recently updated), and ML Tools Pro: ML Skin Injector (100K+, 8.38K reviews). The developer website situstudio.blogspot.com is an empty Blogger site with an Indonesian interface, and the short store description is in Indonesian ("Detail hero, kombo skill, rekomendasi build, dan alat ML"), so the team is most likely based in Indonesia.
2. Competitors (the same thing: MLBB skin injection / script tools on Play)
Source: googleplay library app_profile, 2026-11-06.
| Product | Developer | Launched | Installs | past 7 days | Philippines TOOLS Top Free chart |
|---|---|---|---|---|---|
| ML Tools GFX - ML Injector | PutMax Dev | 2026-07-31 | 1.57M | +180k | #6 |
| BS Tools - ML Script Injector | Aneh Developer Malaysia | 2026-05-04 | 810k | +110k | #20 |
| GS Tools - Skin Tools ML | Situ Studio (same company) | 2026-08-09 | 510k | +76k | #51 |
| ML Skin Config Tools Injector | Aneh Developer Malaysia | 2026-05-06 | 330k | +69k | #35 |
| Yin Tools : Config Skin ML | PutMax Dev | 2026-10-02 | 170k | +51k | #62 |
| Ryu Tools - ML Script Skin | Situ Studio | 2026-08-30 | 200k | +35k | #89 |
| JC Tools Skin ML Injector 2026 | Aneh Developer Malaysia | 2026-08-03 | 170k | +11k | — |
| ML Tools Hub: ML Skin Injector | PutMax Dev | Not in library | 100K+ (Play page) | — | — |
| Skin Tools AOVV / DN Turbo Skin Tools / Nox Skin Tool | Vietnamese developer (AOV / Honor of Kings overseas) | 2023 | 148–3.98M | — | Vietnam chart |
| FF Skin Tool series | Indian developer (Free Fire) | 2023–2026 | 4–2.68M | — | Vietnam / Indonesia charts |
Off-store: Zen Tools, Skinix Hub, ZonGHub, Skibidi Tools and others are distributed via APK / Telegram / Uptodown (TikTok accounts zentoolsph 21k followers, daisukeml 210k followers, escanortools 36k followers; daisukeml's bio links to the Shizuku APK on GitHub). Moonton has no equivalent feature and is actually cracking down on accounts: Reddit r/MobileLegendsGame has a post about a "10000-day ban for using a skin injector" (https://www.reddit.com/r/MobileLegendsGame/comments/1vfhf42/10000day_ban_for_a_skin_injector/), and YouTube has a video from 2026 about ML tightening up and starting to ban skin scripts.
Conclusion: the niche is already crowded. At least 3 Indonesian and Malaysian teams (PutMax Dev, Aneh Developer Malaysia, Situ Studio) each run 2–4 reskinned apps, all named "<hero name> Tools" with package names stuffed with MLSkinInjector / Injector / ScriptSkin keywords. Ryu Tools sits mid-table with no distinctive feature.
3. Growth tactics (evidence)
- TikTok sub-account network (confirmed). Searching TikHub for "Ryu Tools ML" and "ml skin injector" repeatedly surfaces a few accounts whose bios all link to Situ Studio's Play developer page (TikHub handler_user_profile, 2026-11-06):
- @app.injector.ml.skin.gfx "Script ML - Injector mlbb 2026", 15k followers; its last 8 videos total 1.07M views, including "Best 5 Apps Injector ML 2026 Safe" at 500k views (2026-06-20) and 320k views (06-15). It started posting 2026-05, 08-24 posted "Name App: ML Tools Hub" (that app belongs to PutMax Dev), and from 09-10 it uses #gstools. So this account is either a promo account shared by two companies, or a paid promo account that has promoted different clients (not verified).
- @mlinjector "ML Injector", 7,709 followers, posting almost daily since 10-14, with a uniform title "ML Tools, ML Injector, Script ML, Script Skin ML | <hero> x <anime character>", 2k–22k views per video.
- @tools_of_mlbb (2,998 followers, since 10-17) and @injector_of_mlbb (2,424 followers, since 10-28), with the same title template ("Bane x Kisame | MLBB x Naruto", "Yu Zhong x Kaido"), tagged #MLBB10TH #ALLINMLBB to ride the official 10th-anniversary hashtag.
- The play: one video demos a "hero × Naruto/One Piece/Demon Slayer character" skin swap → bio link → developer page (one hop to all 4 apps). Titles and descriptions repeatedly stack "99% safe to use" and "anti ban" to address ban fears.
- Play Store search / ASO (inferred, strong): package names and titles are stuffed with search terms (MLSkinInjector, Script Skin, Injector ML); Softonic, AppBrain, APKPure, and Aptoide have all auto-indexed mirror pages, adding more search entry points.
- Multi-app spread (confirmed): 4 apps with identical content and a template listing (GS Tools' description matches Ryu word for word, only the name differs), so if one is taken down the others stay live, and they can all cross-promote on one developer page.
- Paid acquisition: no evidence found (our ad library only tracks products on our list, so not finding it doesn't mean it didn't happen). From an ROI standpoint, the likelihood is low: monetization is ads only, and users are in low-eCPM regions like the Philippines and Indonesia.
- Media / big accounts / X: None. x-radar shows 30 results for "ml injector" in the last 0 days; no media coverage.
4. Why it took off
- Demand is always there and huge: MLBB installs 957M, +2.41M in the last 7 days (googleplay library). Skins are Moonton's main revenue, and students in Southeast Asia can't afford them, so "free skins" is a long-running big search term. Top comment: "the asta argus looks like it was payed but it's free" (204 people found it helpful, 2026-09-08).
- On Play = looks safe: On Reddit people ask directly, "Is the injector on the Play Store really not malware?" (r/MobileLegendsGame/comments/1wl6a4o). Off-store injectors mean sideloading an APK plus Shizuku, a high bar that scares people off. The Play version installs in one tap. To get past review, the listing is framed as "educational hero reference info," with a line saying it "doesn't provide unfair advantages or modify game mechanics."
- TikTok content spreads naturally: "Hero × anime character" skin-swap demos are visually striking and ride the MLBB 10th-anniversary buzz. Small-account matrices post daily at low cost.
- Weak retention, so it depends on constant new installs: A comment reads, "The injected skin only works once, and every time you open MLBB you have to download it again" (2026-09-20). That forces users back into the app to watch ads, which actually helps ad revenue.
- Where the money comes from: AdMob-style interstitial/rewarded ads ("Contains ads", no in-app purchases). 200k installs × low eCPM, so monthly revenue is probably a few hundred to a few thousand dollars (unverified, my own estimate).
5. Differentiation
Basically none. Compare it with the apps from PutMax Dev and Aneh Developer Malaysia: same disguised listing, same "<hero name> Tools" naming, same TikTok matrix plus developer-page funneling. Ryu's only real difference is that it borrows the name of Ryu, the Street Fighter crossover hero (MLBB x SF6 crossover released a Paquito Ryu skin, and TikTok videos like "how to get ryu skin" have 20k views), so people searching "Ryu skin" may get pulled in (inference). It's showing up because of distribution tactics + category demand, not because of the product itself.
6. Visibility and copycats
- Hardly anyone knows about it yet: no public revenue, no media or X coverage. It only circulates in small MLBB player circles on TikTok and Reddit.
- Copying within this niche is already common (PutMax's Yin Tools got +50k in 7 days after launch, 10-02).
- Risks: violates Moonton's terms of service, so users can get banned; violates Play's deceptive behavior / IP policies, so it can be pulled at any time. That's why these developers spread across multiple apps to hedge.
7. Takeaways
- The "disguise it as a guide/tool → list on a mainstream store → earn users' sense of safety" playbook works well for gray-area demand (but compliance risk is high, so don't copy it wholesale).
- The TikTok matrix structure is worth learning: several vertical small accounts, a uniform title template, and a developer page in the bio (not a single app) so one video funnels users to all products. Post daily, ride official event hashtags, and show results instead of explaining features.
- One content set across multiple apps, with keywords stuffed into package names, to hedge against takedowns and occupy more search slots.
8. Uncertain
- How the injection actually works (writing to the game's resource directory? requiring Shizuku?) is unverified, since I didn't install it.
- Whether PutMax Dev and Situ Studio are the same team (naming patterns, blogspot sites, shared promo accounts all look similar) is unverified.
- Whether they buy paid acquisition and how much ad revenue they make is unverified.
- How much of the install count is fake is unverified; the rating count grows steadily by about 100 per day, which looks organic.
Sources
- googleplay library app_profile / app_day / chart_rank / developer (2026-10-29 to 11-06)
- Play listing play.google.com/store/apps/details?id=com.Ryu.Tools.MLSkinIn… (2026-11-06, including reviews)
- Play developer page play.google.com/store/apps/developer?id=Situ+Studio
- TikHub: profiles and posts for @app.injector.ml.skin.gfx, @mlinjector, @tools_of_mlbb, @injector_of_mlbb
- Reddit: r/MobileLegendsGame 1vfhf42 (10000 days banned), 1wl6a4o (is the injector on Play safe?)
- AppBrain / Softonic mirror pages