Use APKPure App
Get Storage Cleaner old version APK for Android
To oszczędza przestrzeń. Obiecuję.
This app works by using an advanced and extremely complex algorithm that instructs the user to press a sequence of two buttons in order to free up approximately two megabytes of space every time the user clicks it.
Okay yeah, it's a joke. The app uninstalls itself. It still saves space though.
Github: https://goo.gl/TXNsGU