Board Thread:Shadow Fight 2 Discussion/@comment-26958678-20150912111526/@comment-25669516-20160112183333

In that case you can try Helium backup app from Playstore. It works on selected phones only so you'll have to check if it supports your phone or no. Also you'll need a PC/Laptop to backup since you don't have root. You can also make an adb backup but it's buggy and can't be relied on.