Colemak Mod-DH

Colemak Mod-DH introduces a minor modification to the Colemak keyboard layout, designed to make typing more comfortable. The resulting layout is commonly known as Colemak-DH.
— Colemak Mod-DH

On Android you can use special application, which add new layout for physical keyboard: ColemakMods/mod-dh.

To temporarily switch into Colemak-DH layout use this commands (require Xorg): setxkbmap us,ru -variant colemak_dh.

It’s also possible to use loadkeys command to load Colemak-DH layout on TTY. Find the layout in /usr/share/kbd/keymaps/i386/colemak/ and load it with loadkeys colemak_dh command.