I would take it to spend the day in the time when Pokemon first got invented, and find a way to tell the creators it was a good idea and even offer some money to help, so that when I get sent back to the present, they might find me and give me free stuff or something for being one of their first supporters.
What would you do if you had a choice of three psychic powers? Aka, which would you choose?
Mind reading.
Hypnosis.
Fortune telling.