It has the capacity to updates you on the activities of cryptosystem, your wallets and transactions without active internet, kind of offline gigue. Get ready to get one when is launch.
you will have to provide more details about the idea itself if you want to get any interest in it.
what I personally don't like here is the idea of adding one more node in the whole process, that is, just one more additional security concern. how safe will your plugin be on its own?
also if you manage to have a serious impact on bitcoin (on cryptocurrencies in general) activities in offline mode, I believe you will deserve a historical place right next to Satoshi.