BOINC installation is required and Android app can be easily installed via Google play.
BOINC app is very handy and has a lot of customisation in relation to the usage. It can be set up to be used only when screen is inactive, or phone is charging, or at a specific battery level. If is a please to use BOINC app.
Other research projects can be added.
It may be practical to use second mobile or even an old device - mobile or a tablet, for a test. Most economical, however, is to use a regular devise which is anyway switched on and working to get use of it's iddle time.
If you like to join me in this research journey, please register with a referral link below.