Google released the Digital Wellbeing app for Android One devices with Android 9.0 Pie. There are not much of that for now. The app is intended to monitor smartphone use and to curb it if necessary.
With the changelog by Digital Wellbeing in the Play Store, this stands for a beta Pixel phone or Android One device with Android 9.0 is needed, where the app was previously reserved for Pixel phones only. Pie is still on few devices, but for example, the Nokia 7 Plus popular in the Benelux is one of them, says Android Police.
After installation Digital Wellbeing appears in the Institutions -app of phones, where users can see which apps they use, how much time they spend and what measures they can take to limit that, such as setting limits on apps and monochrome making the screen at certain times. Google announced Digital Wellbeing last spring at its developer conference I / O.