A school project for ITESO.
It's not yet ready for use, but it basically uses two Android features, GPS and Bluetooth, 
to try to remember the location of the user's car.

It connects to another bluetooth device in the car and checks the connection whith it. When it disconnects, the GPS
trie to get the users location for about a minute and stores it. When the user wants to return to his car, he presses
a button and sees on the map 

1) where he is
2) where his car is