Ingress can do this on a Galaxy Nexus with a 2A external battery pack (or, ya know, car). I was only able to help with about 1/2 of an Interitus event cause my

Ingress can do this on a Galaxy Nexus with a 2A external battery pack (or, ya know, car). I was only able to help with about 1/2 of an Interitus event cause my phone kept dying and I'd have to wait a bit to bring it back online. I hate my phone.