Yes pretty much any android based tablet or phone can run this. You do not have to have the phone active to use it for the android applications.
There's a specific one that Metro PCS sells, it's very cheap, prepaid so no contract or anything and guys love it when using the YaV1 application with their V1 radar detectors.
EDIT: I don't know if they even still sell these but here's a thread related to them.
http://www.rdforum.org/showthread.php?t=37874
EDIT EDIT: Looks like metro pulled them lol, probably the YaV1 guys bought them all.
Surely they'll be on ebay cheap though.
EDIT EDIT EDIT: I keep thinking of more things. If you do decide to start using this application with whatever phone, I don't know if you guys know about proclipusa but they have the absolute best vehicle mounts for whatever devices. They are car + device specific. If you want your screen mounted properly this is the way to go.
OK i'm done now.