In addition to usual apk files, games store large files as obb and data* files. Backup + Restore backs up all the files, so even large games are backed up completely.
Some apps have multiple split apk files. Backup + Restore backs up and restores all the split apk files, so the app is installed completely.
Backup + Restore can also backup traditional apk files.
No root required!
No ads or in app purchases!
Extremely light weight, under 1 MB.
No background battery and resource usage.
* Data here means external data. Depending on what the app or game stores in external data, user settings and save files may or may not get backed up.
Read more at https://sites.google.com/view/strawberry-corp/help-faqs