Instructions are in the "How to Play" section of the game. Tap the arrows next to the shop items to buy them on mobile.
Polymobea is a short, sweet and simple survival game. Take control of Poly, a little polywog-amoeba thing trapped in a purgatory space-like state. Collect items. Lose items. Fight bosses and enemies. Allow the atmosphere and noise to calm you for a moment. Aim to ascend.