I am the developer of the one and only app currently available in the store and you do not need a Samsung phone as it is an standalone app! Right now the app has everything you'd expect from it, but there will be some significant updates...
I conntacted Samsung about the issue with the paid apps and non Samsung smartphones. The answer is as expected a bit odd:
"Regarding your inquiry, we would regrettably inform you that only free application could be downloaded on a no...
The Tigre 2.0 SDK is now available!