go to valor lakefront with all the houses and use rock climb down to a house go inside talk to the guy he gives you poketch app 15.
PS. the app is coin toss
Its the Poke'etch app and an app is part of a device called the poke'etch. Apps are things like the daycare checker or trainer counter. they can be very helpful.Hope This Helps!!!!!!!!
go to the daycare and put two Pokemon in then the daycare man will give u the marking map? does not workHe is in one of the tall buildings in Jubilife City