Ok, is your Pokemon platinum, American or a diffrent counrty version if so if your playing on engish Ds it will likely crash or you bought a faulty one off a website.
Go to the game store and buy a normal one its the only way next time don't buy stuff off the internet if their not in the shops
you can't
Take it to the drug store
around 10000 steps
the mine museum in oreburgh city
The Choice Band can be bought from a vendor on Pokemon Platinum in the Battle Frontier for 48 BP. To get BP simply take part in the various special battle arenas within the Frontier.
There is no rental Pokemon in in Pokemon platinum
battle other pokemons! and also you can leave your Pokemon in the pokeday-care and for every step you take you give your Pokemon 1 exp. point. :) hope i helped:P
no but you must take with you a ds Pokemon pearl or diamond. then when you get platinum you will have to trade it from the other games.
you can't
take 50 flags in the underground
it's a game not a thing you can get (PS if you do get it you can take the code from the game when you get jirachi and you can put jirachi on Pokemon platinum) X24
wat du u mean
take it to the rock up there by the Pokemon league
chinpokomon
turn it off, take the GBA game out and make sure Pokemon platinum is in. Turn it on and select Pokemon platinum and - VOILA! it starts.
North of the Pokemon league (Take the seabreak path)
this is the same as Pokemon platinum, they are in the underground, they do take a while to find.