Making the midterm the better way with P2P. Since P2P has the ID and file transfer, I can make it as a common chatting app as the others. Refining the mid-term is the final.
Here is the chatting app from the kakao, notice the paper clip. It has a two major theme that one is P2P allows data ownership to the user and I can play with the chatting protocol we have been developed over time.