Some projects are hosted on Localazy for easy translation. For other that are zipped you should follow the procedure below.
Quick guide before you proceed:
1. Download zip and extract it
2. If your language directory not exists, create new directory with country code values-en (for English) and copy strings.xml from values directory
3. Translate strings green marked strings
<string name="of_screen_off_time">%1$s of screen off time</string>
4. Don't remove or edit formatter part of strings \n \\ %1 and so on
5. Zip the translated directory, attach it to email (including language and app name) and send to [email protected]