Thank you Stricted and Henrikezika.
Sometimes I'm amazed at how small a few changes are, and how big is the difference in the result. You need to know the code, and where to place it.
Regarding the problem with encryption, that was solved after...
Thank you sir. Tried this morning, and got it working on Samsung SM-g903f ("Galaxy S5 Neo" or "Galaxy S5 new" model).
Also got the controller (DS4) working with OTG cable, and shared the screen with chromecast app over chromecast to TV.