Build a gps geo tracker monitoring android app

Features im looking for in this geo tracker app is -

- Find where child is i.e at school or coming home how long will reach home etc..
- Listen to kids surroundings though mic
- Ring kids phone even if on mute
- Get updates on location history - times & locations
- Get kids apps most usage in terms of hours spent on each through out the day
- Give users option to sign in through account or sign as guest but then data stays on phone
- Track kids call/message history
- Get home entry/leave notifications.
- Give stealth monitoring.
- Implememt google adds / payment subscription
- User friendly UI
- Add more than 1 family members to tracker.