Memory Fill is a free and ad-free app developed by Rekt Games for Android devices. It falls under the category of Utilities & Tools and is an excellent solution for those looking to test other Android applications to see how they behave in a real environment.

The app is hassle-free and straightforward to use. With just a few touches, you can select the exact amount of memory to fill, whether it is just 1MB, 10GB, or all available space. Memory Fill can fill your Hard Disk Drive space, RAM, or both, making it an excellent tool for testing the behavior of other apps under low resource conditions.

In addition to filling memory, Memory Fill also works as a "RAM memory cleaner," helping you free up space in your device's memory. Overall, Memory Fill is a useful tool for anyone looking to test other Android applications and optimize their device's performance.