Since having more than a few GB of free, full-speed mobile data remains a dream for many Android users around the world, Google Datally comes to help them by providing the tools needed to better manage its usage.
https://www.notebookcheck.net/Google-launches-Datally-mobile-data-saving-app.267648.0.html
To much permissions its asking, worthless on wifi.
Who cares i dont make phone call whit my shitphone android.