This application adds a physical keyboard layout to Android. You must have a hardware keyboard connected to view these layouts. Added layouts are:
× English (QWERTY) UMAX keyboard
× Czech (QWERTZ) UMAX keyboard
× Slovak (QWERTY) UMAX keyboard
× Slovak (QWERTZ) UMAX keyboard
Activate the layout by clicking Settings -> System -> Languages and Input -> Physical keyboard -> HID 1018: 2006 (or other depending on the type of keyboard connected) -> Set keyboard layout and enable the keyboard layout you want to use in the displayed list.
You can switch between the set layouts with the keyboard shortcut Ctrl + spacebar.