Retroid Pocket 2S Features: CPU:2*A75@1.8G/6*A55@1.8G, GPU: Mali G52MC2@614MHz Support Android 11 Support 3.5 inch touch screen (4:3), 640x480@60fps Support 480p HDMI Support 3+32GB / 4+128GB eMCP Analogue L2/R2 and 3D hall sticks 4000mAh battery Includes newest official game launcher and emulator frontend Official OT
https://vita.hacks.guide/ has all the info you need to hack your vita. From there just install retroarch, put your roms on, and you’re good to go.