But if helium can do it by debugging mode its posible no root
Must be other apps capable then no?
Debugging mode is not the same as root permissions on your device. With debugging mode you are logged in (shell) as
and with root you are
doesn't have the permissions to read the app specific directories in
to do a backup of all your apps. Only
and apps themselves (only for own directory, but others not) can access these directories r/w and read all the data within.
Exception: An ADB backup is able to backup app data of those apps, that are included in the Google Backup ('device settings > System > Backup' or open settings > searchbar > 'backup').
For a detailed overview visit: drive.google.com/drive/backups