I think Microfons are an god next step. There are so many Ideas about it. Imagine that the Gliphs or Others give Visual feedback, Show you, that you Recording, Like in Essencial Recorder. It coud be one Mice that Combinind with the Phone mices for Nois Cancling, or an Perfekt Stereo Sound. It coud be To, that you make an App or an Function, that the Phones Haptik swing by the Musik. This Coud be an god Option for hearing loss Persons, and thay can See and feel the Musik, p ke they coud hear. I am Sorry for my English, because i am German and 13 Jears old. When you need mor Ideas for the Future, Look in my next Posts.
PS: Post Nr.1