Unfortunately, if you buy items, you are not likely to get in any case if the game is downloaded from the Google Play.
So you adjust the amounts corresponding to items such as shoes Jumping The Running shoes, pack the Bigs, the Magnet ... But we will never have the right to receive in your games.
There is no possible communication with nerbyte responsible GmbH, they respond to your emails, messages ...
No more than elsewhere ... Google Play
While Amazon Store ...
I can not say, seeing :-)