Phone addiction or dependency is becoming an increasingly prevalent problem in the developed world. Google has set up its Creative Lab for users who want to address this. Its latest experiments consist of 3 apps which may act as digital detox aids, while helping users visualize their screen-on time.
https://www.notebookcheck.net/Spend-too-much-time-on-your-phone-Google-has-new-apps-to-fix-that.451010.0.html