--- title: "Firefox for Android adding Google Integrity checks" url: https://daily.dev/posts/firefox-for-android-adding-google-integrity-checks-dnj1e81vo source_url: https://www.omgubuntu.co.uk/2026/06/mozilla-firefox-android-google-play-integrity type: article source: "omg! ubuntu!" published: 2026-06-09T21:32:01.249Z updated: 2026-06-18T21:22:59.567Z tags: ["android", "firefox", "mozilla"] reading_time: 2 upvotes: 1 comments: 1 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Firefox for Android adding Google Integrity checks **[omg\! ubuntu\!](https://daily.dev/sources/omgub)** · 2 min read · 1 upvotes · 1 comments ## Summary Mozilla has added a new `lib-integrity-googleplay` library to Firefox for Android that requests a Google Play Integrity token. The token is passed to Mozilla's MLPA server to gate access to server-side AI features like Smart Window, ensuring only unmodified, Play-installed copies on Google-certified devices can use those compute resources. Critically, this does not block Firefox from running on rooted or custom ROM devices, but those users may lose access to AI features. The move has drawn criticism from the FOSS community — particularly users of AOSP-based systems like LineageOS and GrapheneOS — given Firefox's positioning as a privacy-respecting, open-source alternative to Google's ecosystem. Critics see it as another sign of Mozilla drifting from its founding mission amid its AI-focused commercial pivot. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@petermrozek** · 0 upvotes > > Per a resolved issue in Mozilla’s public tracker, a new lib-integrity-googleplay library was added to Firefox’s Android codebase. It requests a Play Integrity token which is then passed to Mozilla’s MLPA (Machine Learning Proxy) server. The token is used to access Firefox’s server-side AI tools, like Smart Window, for rate-limiting purposes, ensuring only unmodified, Play-installed copies of Firefox on Google-certified devices use Mozilla’s compute infra. > > ...and... > > > It does **not** mean Firefox can no longer be installed or run on non-certified or rooted Android devices, but it might... ## Similar posts on daily.dev - [Firefox for Web Developers: "Chrome looks set to ship an LL…"](https://daily.dev/posts/firefox-for-web-developers-chrome-looks-set-to-ship-an-ll--wdczuohwk) · Lobsters · 1 upvotes · 0 comments - [GrapheneOS: "Apple and Google are gradually…"](https://daily.dev/posts/grapheneos-apple-and-google-are-gradually--m5jit5q02) · Hacker News · 0 upvotes · 0 comments --- Tags: [#android](https://daily.dev/tags/android), [#firefox](https://daily.dev/tags/firefox), [#mozilla](https://daily.dev/tags/mozilla) [View this post on daily.dev](https://daily.dev/posts/firefox-for-android-adding-google-integrity-checks-dnj1e81vo)