Create map points

Hello people!
Next we created a location app for our college (Rooms, Library, Labs, etc). The map was made by the Facility plan in AutoCad with extension in jpg. In the home screen we created two spinners for area and section, three labels informing Lat, Long and local address. For map visualization we use WebView and Taifutools.
What is the point? When the user chooses from the starting point (within the map) he selects the area and section that information appears on the map. It’s like Google Maps.
How to do this?