This is the app:
https://play.google.com/store/apps/details?id=com.usml.localsearch&feature=search_res ult#?t=W251bGwsMSwyLDEsImNvbS51c21sLmxvY2Fsc2VhcmN oIl0
You may look for restaurants, cvs store, or whatever around you. The app connects to my server to find results and display it on a map.
Yeah I guess IP tunneling is a possibility, although I doubt anyone would do it (in the context of using a phone app, start IP tunneling, and go back to use that app again).