"Fanny Pack is the FASTEST and most convenient way to LOOKUP a venue across ANY of your apps. No more switching out of your messaging apps to get addresses or websites - Fanny Pack lets you do it with ONE TAP."
THE BOTTOM LINE
It's great to see developers coming up with more and more clever uses for third-party keyboards. Fanny Pack puts a funky name on a pretty practical tool – quick on the fly Foursquare location info lookups. Multitasking on iOS is still mostly non-existent and maybe even ill-advised, but this is one use case that shows it can be done in an elegant and lightweight way.