If you experience visual stuttering in the UI, enabling "Disable Hardware Overlays" in Developer Options can shift UI rendering duties to the CPU, smoothing out performance.
Asus Fonepad K004 Custom ROM Guide: Reviving Your Classic Tablet
Using fastboot, flash a compatible TWRP recovery image to your tablet's recovery partition. Once flashed, boot directly into recovery mode (usually by holding ) to verify that your custom recovery is functioning. Step 4: Wipe and Clean
Several factors explain this scarcity: