[doublerabbit]

Sure you can. Make an application that is frozen from future features but can still communicate with the platform at a basic level. Text Messages have been with us for centuries and still compatible with nearly 99% of devices.

Feature updates normally consist of "your device isn't supported and lock the user out without saying Good Bye.

If you create a platform that holds the basic for all versions and don't introduce new features to that; you won't have so much e-waste nor much maintenance upkeep.