Great art and sound design, but as for the gameplay...
I can deal with the lack of interaction beyond the shop screen, and with that little gameplay, what's the strategy supposed to be? Buy whatever you can afford from the random options you're given? For such a relatively simple mechanic, I don't see many options to consider a strategy component. Let's see if in the next loop I have enough coins to buy at least one multiplier ÒwÓ