Caffeine is a simple and free Android application developed by Akarin under the category of Utilities & Tools. The app's main purpose is to keep your device screen awake. It is similar to the Caffeine tile in LineageOS and is perfect for those who want to keep their screen on while using the device for an extended period.

The app's non-profit project status makes it an excellent choice for those who want to support the community. Moreover, the app is available for free, and if you like it, you can give it a 5-star rating. Caffeine is easy to use and has a straightforward interface, making it accessible to everyone regardless of their technical knowledge.