According to the article this seems allowed: > [...] This restriction does not apply to code that runs in a virtual machine or an interpreter where either prov

According to the article this seems allowed: > [...] This restriction does not apply to code that runs in a virtual machine or an interpreter where either provides indirect access to Android APIs (such as JavaScript in a webview or browser). Also blocking Firefox to install an APK would be anti-competitive, because Google's own Chrome also allows APK installations.