It's pretty tough to do unless it's your main focus. you have to deal with lots of different devices, billing is different in various countries etc...
Depending on what you want to do, our system is designed to make it easy for you to go mobile, and our stuff actually works! (unlike some bullshitters out there)... Check out our first live site, that we did with yankscash.com..
www.pocketgirls.com
Hit me up if you want to talk more!
Todd