Orfox was the official browser built to work with Orbot. It is based on the same source code as the desktop Tor Browser. You must have installed and running for to function. Where to Find Compatible APKs Google Play Store
The APK (Android Package File) is the file format used to distribute and install Android apps. The Tor Browser APK for Android 4.2.2 Exclusive is a specific version of the Tor Browser app that is designed for Android devices running on version 4.2.2 (Jelly Bean) of the Android operating system. This version of the APK is exclusive to Android 4.2.2, meaning it may not be compatible with other versions of Android. tor browser apk for android 422 exclusive
: Go to your device Settings > Security and toggle "Unknown Sources" to allow the installation of downloaded APK files. Orfox was the official browser built to work with Orbot