Android + iPhone
Choose your phone, then follow two quick steps to install an app.
Choose your phone below. You only need to follow one box.
Use the Google account already signed in to the Play Store on your phone.
Choose an app below, tap Android — Join Open testing, then tap Become a tester and Install in Google Play. No Google Group is required.
Install TestFlight from the App Store if it is not already on your iPhone.
Choose an app below, tap iPhone — Open TestFlight, then tap Accept and Install.