We literally bet our life savings on this and years of zero vacations to bring WhosHere to where it is. Making a bad business decision and living a shitty life doesn't entitle you to sue people who make a similar app just because their app's name uses some of the same letters as your app's name. (Both companies picked crappy names that are poor brands and poor trademarks. It's like calling your hamburger shop "Hambur…
So is posting a 'help I'm being attacked' article but failing to mention you built your app as a demo for WhosHere hoping they would buy it from you as their windows client seems more than a bit misleading.