<p><i>Caps to Ctrl</i> adds a keyboard layout (English, US, qwerty) which changed "Caps Lock" to "Ctrl" for the physical keyboard.</p><ul><li>Instead of the menu key, you can use "Ctrl + ESC"</li><li>The other keyboard layouts are added as "Japanese (EN)" or "ThumbCtrl (EN)" but these are for Japanese keyboard</li></ul><p>This software uses 'User installable keymap' (Android 4.1 and up). Therefore, it can not be used on an Android device whose manufacturer disabled <i>"Settings" › "Languages & input" › "Physical keyboard"</i> of Android settings.</p>