As a starting point let's consider the ANBERNIC RG353VS 64GB Console with 15000+ Games.
This handheld game console boasts an impressive lineup of compatible systems, including PSP, DC, SS PS1, NDS, N64, and MSX. Equipped with a Linux and Linux 64-bit system compatible with 32-bit applications it promises to provide an all-in-one gaming experience for retro game enthusiasts.

One of the most unique features of the ANBERNIC RG353VS Console is its compatibility with a wide range of gaming systems. Its 3.5 inch IPS full viewing angle screen with zero distance OCA full fit 640*480P resolution provides a crystal-clear viewing experience. The console's Linux and Linux 64-bit system compatibility allows for seamless gameplay while the 64GB of storage ensures you won't run out of space any time soon. In terms of performance, this console delivers smooth and responsive gameplay, making it a great option for retro gaming fans.

It's worth noting that the ANBERNIC RG353VS Console comes with an impressive library of over 15000 games ensuring that you'll have plenty of titles to choose from. The console's sleek design and transparent black or grey color options also make it an attractive addition to any gaming setup. Its only weakness is the lack of a touch screen, but for those who prefer traditional button controls, this won't be a problem.

In my opinion the ANBERNIC RG353VS 64GB Console with 15000+ Games is a fantastic option for retro gaming enthusiasts. Its compatibility with a wide range of gaming systems, large storage capacity, and smooth gameplay make it a solid choice. While the lack of a touch screen may be a drawback for some, it's not a dealbreaker. If you're looking for an all-in-one handheld console that delivers a great retro gaming experience the ANBERNIC RG353VS is definitely worth considering.