F-Droid
 "F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform. The client makes it easy to browse, install, and keep track of updates on your device." Website: f-droid.org |
Translate F-Droid
(F-Droid is translated via Hosted Weblate. You will need to create an account before you can contribute.)
Take a look at this Weblate Starter Tutorial to learn how to sign up and use Weblate.