I don't think it would be to hard to add.
The capability to display notes youve created with lyrics in the daw as you record.
That would be crucial for me.
I use the iphone as a way to record demo versions of songs on beats.
It would amazing to be able to travel around and write lyrics right in the phone and record them.
What would be the ULTIMATE would be if their was settings to have the lyrics autoscroll smoothly downward based on tempo/various speed settings.
Then this thing would be the ultimate tool for finding a comfortable place sitting down with a glass of of some good liquor and laying down vocal tracks until you find that perfect groove without juggling some kind of printout of lyrics in your other hand or attempting to use multitasking and scrolling with your fingers and dealing with the thing crashing etc. .
And you can jump around like a maniac if thats what you need to do to get the right vibe
