If said software runs on 3.68 (for example, Adrenaline uses a kernel plugin which must be updated for the 3.67/3.68 kernel - and it has), then the answer is tautological
If said software runs on 3.68 (for example, Adrenaline uses a kernel plugin which must be updated for the 3.67/3.68 kernel - and it has), then the answer is tautological
Sure, as they are completely separate and unrelated things (apart from one being an entrypoint for Henkaku which allows for unsigned software, the other being an unsigned application requiring an unsigned kernel plugin to be loadable)