This article explains how to log in to mod versions of game and applications.
How to Login Facebook Account in App Mod?
1. The first you must uninstall Facebook app on your Android device.
2. Tap Facebook button in app mod and login using chrome browser pop-up.
3. You can’t login to your Facebook account in the application if there is a Facebook application installed on your device
Can i Login Google Account in App Mod?
Currently you cannot login using a Google account. you should use a Facebook account.
There is a way that you can use a Google account, that is by doing a backup and restore data from a app Play Store to a app mod using the Titanium Backup.
Read also: How To Download App Mod