Android application about tour guide using google maps and google places api

System has mainly 3 features:

1. User can select some pre-specified point of interests then system shows the walking path between the current location and those point of interests.

2. User can search type of places like hospital/atm/cafe within certain distance(eg:1000m) and system will display the result using google places api.

3. User can tap two locations and system will display the walking path, distance between those two places, energey required in calory to travel from one place to another and origin and destination coordinates.