[JorgeGT]

Or go middle way and spoof the GPS radio signal near the device: http://www.rtl-sdr.com/cheating-at-pokemon-go-with-a-hackrf-...

[methou]

This is illegal in most countries and may end up in a criminal court.

[curiousgal]

That is extremely overpowered, all you need is a rooted device with Xposed framework and a GPS spoofing app.

[JorgeGT]

I was (half-)joking :)