As a followup on the previous, the 2 menu boxes at the bottom should probably have scroll bars. If for no other reason so people can realize they actually scroll
Suggestion : Make the colors for Buyable and Bought a bit more different (like make one a them a green). The 2 shades of blue make it diffcult for some folks (like me) to tell which ones have already been bought and which need to be
 "Idle accelerator"){kind=icon}
 "Tapularity"){kind=icon}
Will try to make scrollbars ty