If you want to play Pandora 1, then play with your Pandora 1.
If you want to play Pandora 2, then play with your Pandora 2.
Nothing wrong with having 2 or more devices.
If you want to play Pandora 1, play with your Pandora 1.
If you want to play Pandora 2, play with your Pandora 2.
If you want to play (NDS, 3DS, PSP, PSVita, LYNX, various other retro consoles, etc.), play with your (NDS, 3DS, PSP, PSVita, LYNX, various other retro consoles, etc.).
If you want to make a call, call with your cell phone.
If you want to make calculations, calculate with your calculator.
If you want to receive pages, use a pager.
If you want to watch tv, watch on your tv.
If you want to see a movie, go to your movie theater.
If you want to "know" the weather, use your weather station.
Just how big are your pockets??!