The save files on the device are stored in the "Android/data/hu.redshift.thequest/files" folder, which is easily accessible, if you want to copy them somewhere or want to put save files from the PC/Mac or iOS version there. (Except from the old version on iOS, which is not compatible.)
As for "editing" them, do you mean like changing how much gold you have?
In that case, yes, you can, we won't stop you. We won't help you either, you are on your own. If you do it wrong, the likely result is that the game will crash on loading the save. So we definitely not recommend it either.
The game might not be the easiest at first, but it's not hard at all if you know what you are doing. Much of the fun in the game comes from exploring, both the world and the character builds. There are also many guides available right here in the forums, if you are stuck.