simpli Clean (Speed Booster) - Keep your smartphone clean with just one simple application. It's a versatile app not only helps you to free up space but also will speed up the performance of your device. Using the optimization features, you are only one click will be able to accelerate a single application with processes of others. And in addition to all this, you will also save the charge of your battery, as it has this feature. By disabling the not needed background processes, you optimize battery performance.