Found a link- what happened was that the files were apparently going to be included in a firmware update

https://retrohandhelds.gg/retro-handhelds-weekly-edition-3/

Anbernic made a few waves of its own this week, but not for the reasons you might have hoped. While we are nearing the launch of the RG40XX, Anbernic released a new firmware update for the RG35XX H. This update turns Anbernic’s handheld into a 64-bit Linux system, along with adding native support for PC ports. These include titles such as Celeste, TMNT: Shredder’s Revenge, GTA III, and even Stardew Valley.

The problem is that by including these titles with the latest firmware update, Anbernic is relying on pirated content. That’s an obvious no-no, especially considering that in order to use Ports, you need to have actually purchased the game and transferred the necessary files. Portmaster responded stating explaining its stance, complete with a “Zero Tolerance Policy.” Since the video was published, Anbernic has removed the download to the new build that includes the ports.

These retro handhelds are probably already flying a bit too close to the sun as it is- they probably shouldn't be trying to attract even more attention, especially from companies like Take Two. It's good that they listened to Western users' concerns