I realized chompop request and here is preview how it works:
https://www.youtube.com/watch?v=RyfJEFx_gQA
Good news is that root is not required. Delay can be prolonged or completely removed.
I also made available new screen refresh mode which is beetween A2 and normal mode. It preventing from redundantly screen blinking and do not creating so much ghosting like A2.
https://www.youtube.com/watch?v=ElVF6FgBx3Y
Recently I bought from ebay stereo to mono adapter (<1$ cost) and connected mono speaker without external power to i86:
https://www.youtube.com/watch?v=27YUp2SZcPA
Works quite loud and I have two audio channels.