手機 - Zinwa Q25 - 自定義鍵盤按鍵

參考資訊：
https://xdaforums.com/t/how-to-make-files-in-system-writable.4514603/
https://xdaforums.com/t/guide-how-to-change-files-in-the-directory-system-with-magisk.4454489/

步驟如下：

# mkdir -p /data/adb/modules/playstore/system/usr/keylayout/
# cp /system/usr/keylayout/Q25_keyboard.kl /data/adb/modules/playstore/system/usr/keylayout/
# vi /data/adb/modules/playstore/system/usr/keylayout/Q25_keyboard.kl
    key 231   DPAD_LEFT
    key 580   DPAD_UP
    key 158   DPAD_DOWN
    key 172   DPAD_RIGHT

    key 56    ALT_LEFT
    key 42    SHIFT_LEFT
    key 100   CTRL_RIGHT
    key 54    TAB