I am looking for expert android developer. This is the small task. There is major two task.
1) If you have dual android device. then you have to fetch both mobile number in your device.
2) Fetch all apps which are installed in your phone. Provide a app lock functionality. Suppose I have locked whatsapp then if I try to access the whatsapp app then it should alert that app is locked.
So do let me know your timeline and charge for it.
This is very simple task for experts, if this is success then lot more tasks for you.