For a start you need skill.
Shake your phone or iPad or iPod to the right and then slide your finger across the arrow!
Metang evolves into a Metagross at level 45.
Tilt the phone until it's balanced and the lights start turning on. Try putting the phone down on a flat surface standing so it's not moving. See related link for screenshots.
level 45
Level 45.
At level 45.
Level 45
clusterz 45
i think it evolves at level 45
level 45
level 45
set clock to 45 secs