Clean (free up) memory (RAM) to speed up (boost) your device saving more battery and cooling CPU. Simply launching the app makes it easy to fully optimize your device. You don't need any special knowledge to optimize the smartphone system and performance. You can remove the animation if you want. Total memory reduction aids much faster operation with battery saver for games, navigation, and the operating system itself. You can check and cancel the contract details from Google Play (Settings tab> Subscription RAM cleanup).
Required Android Versions : KitKat [4.4–4.4.4] - Lollipop [5.0–5.0.2] - Marshmallow [6.0 - 6.0.1] - Nougat [7.0 – 7.1.1] - Oreo [8.0-8.1]