Cool Gamer is a free Android app developed by Rainbow App Innovation. It falls under the lifestyle category and aims to help users improve their typing speed. With this app, users can practice their typing skills by filling captchas.

Cool Gamer may be a simple app, but it serves a useful purpose for those looking to enhance their typing abilities. By regularly using this app, users can gradually increase their typing speed and accuracy. The app's straightforward interface makes it accessible to users of all skill levels.

Overall, Cool Gamer offers a convenient way to practice and improve typing skills. Whether you're a beginner or looking to refine your typing abilities, this app can help you achieve your goals. Give it a try and see how it can enhance your typing speed.