They're basically telling people not to worry, everyone should still buy their app, because they're not going to be shutting it down in the near future. This is

They're basically telling people not to worry, everyone should still buy their app, because they're not going to be shutting it down in the near future. This is done purely in order to sustain their sales, and likely incidentally to ease their relationship with Twitter as they help diffuse some of Twitter's bad PR pressure. Don't mistake this for an indication of a lack of panic at their offices.