Button Fever is a free game developed by Rollic Games Oyun Yazilim ve Pazarlama Anonim Sirketi for iPhone users. It is a game that will test your multitasking skills as you try to place your buttons in the right spot to gain coins.

The game allows you to merge and upgrade your buttons, creating your own keyboard. The more you click on the buttons, the more coins you gain. With these coins, you can upgrade and unlock new buttons to make your keyboard even better.

Button Fever is a fun and addictive game that will keep you entertained for hours. The graphics are simple but colorful, and the sound effects add to the overall experience. If you're looking for a game to challenge your multitasking skills, Button Fever is definitely worth a try.