There are x86 android tablets that can run ubuntu. Idk if arm tablets can run runelite through some combatability layer. GrapheneOS

His battery, which usually died in forty minutes, was suddenly reporting three hours of life.

Choose "Install Android-x86 to harddisk," format your partition (Ext4 is recommended), and install the GRUB bootloader.

Leo stared at the flickering cursor on his ancient ThinkPad T420. The laptop was a relic of a bygone era, its cooling fan wheezing like a marathon runner in a dust storm. Every modern Linux distro he tried felt like dragging a lead weights through molasses. Windows? Forget about it. The hardware was gasping for air.