Add-on for Planet dvice.

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Ver.4.5
Built-in key backlight control files(CosmoCtl_KBON CosmoCtl_KBOFF). No need to download and place the files.
Ver.4.4
Added system up time display.
Ver.4.2
Fixed key backlight control and text input conflicts.
★Caution.
Please place two files directly under the internal storage. If the files are not exist,it will work as the previous version.
http://ssipa.web.fc2.com/cosmoctl/CosmoCtl_KBON
http://ssipa.web.fc2.com/cosmoctl/CosmoCtl_KBOFF