- Download apk files from Google Play to desktop.
- Check version of your apk local files.
The general info is required. Email and password are belong to a Gmail that is main account on an Android phone. Device Id is the device id of that phone. To get your Device ID, just simply open dial pad, press *#*#8255#*#*. If it opens “GTalk Service Monitor”, find lines that begin with JID and Device ID. Your account is JID, and your device id is a string that after android- prefix.