Because the work there was done years before GTA V was released? We all improve on the work that came before us, but it's often the case that the trailblazers have the hardest time of it. :)

What? What the fuck are you talking about? It's a completely different game and renderer. The work has to be redone completely, moron. There is no crossover.

Really? In all the years the 3DS homebrew scene has been around noone has bothered to write an OGL ES driver with convenience wrappers around the "non-standard" bits?

Dude, the whole fucking thing is non-standard. Every hardware manufacturer has their OWN way of communicating with the hardware, their OWN protocol, and their OWN graphics pipeline. OpenGL is an abstraction layer for it. That abstraction layer DOES NOT EXIST. AT ALL. for the 3DS.

You have no fucking clue what you're talking about! And yes, an OpenGL implementation exists in 2017, but I am one of the people who contributed towards the research to make them possible. My foundational reverse-engineering work was done well before a driver was available.

UI is an important core feature that's very easy to implement.

Show me your work. I'm interested how such a moron can stumble his way through anything remotely technical.