Well, this is a nice surprise. Remember that time Google filled their Maps app with Pokémon for April Fools day? It looks like some of the people that caught every one of them are in for a treat.
On April 15th, Google Maps shared the following over Twitter and Google+:
According to Android Police, people that responded received a link to a form for a special gift.
No word yet as to what the mystery prize is. What could it be? A Pokéball? The custom business card that was included in the trailer? Or maybe it's an actual Diglet that they've 3D printed to life. Only time will tell.