How often are there updates?

Usually once a month. Even though this is a fully completed game. New features will be added based on community feed back.

Are purchased items refundable?

Usually no refunds are given unless a error occurs.

What payment platform is used inside the game?

On other platforms the game is released on it used that platforms payment system.

Can the game be played with out making in game purchases?

Yes non paying players still have great chances to succeed the game.