Offline map for Android device

#Offline Map requirement 1. The app should download the map with certain radius when lat/long is provided (ex: 5KM/10KM radius) - When device is online 2. The downloaded map should have tiles for all the zoom levels and places should be loaded with respect to zoom level in offline mode 3. Street-view and satellite view should work in offline mode (should be part of the bundle while downloading) 4. Android app map should have provision to mark the location on tap and connect points. Tap on location should have click events triggered Developer should have past experience in implementing offline map features with similar requirements. Basic POC app is enough.