Upload & Sell: Off
If anything I'd say these apps bring the "look" to a wider audience, who may want to find out about its origins and then create it in the traditional way. So I think as a result there will be /more/ people using Lomo, at least for a short period of time each...
indeed, the experience of using a film camera is quite different than using an emulator. much like vinyl it will survive for a while amongst people who value that experience (and hipsters ).