TLDW - Patent troll sues Xplane creator after he migrated his app to the Google play store. They claim they own the general idea of the Google play store. Law firms create these cases for billable hours for their lawyers and some of their parent judges in Texas. Patent trolls and law firms in the end want to receive a settlement by targeting app creators and not Google themselves who are well equipped to defend themselves, http://www.thepatentscam.com/ .