In-App Billing: If it gives you errors please check that you only have one google account on the device, that your Play app is at least version 3.9. If you still have issues send me an email with your android version number. Evidently Google has not worked out all the kinks in V3 of the billing library yet.
Integrates with http://gw2lfg.com
Lists people currently looking for a group, their region, which dungeon/event they would like to do.
Also allows you to add your own listing! (Listings expire after 60 minutes)
Keywords: gw2, guild wars, guild wars 2, looking for group, lfg, gw2lfg, fohtoh