What is happening with @wanthalf development of onscreen buttons ? This would be a game changer if it can be merged to main zynthian build and enabled by configuration. Big DSI capacitive touchscreens are becoming cheap and with good sound card and direct 4 encoder wiring we can have very functional zynthian.
I am referring to this post: DIY: upgrading to V5 - or the question of new buttons - #136 by wanthalf