OFeKey Theme SAS ORANGE is an add-on for the OFeKey Pro and OFeKey Free Android keyboard applications, developed by FaehanApp. It allows users to customize their keyboard with a dark orange color scheme. The add-on is free to download and use.

To activate the add-on, users must first download either OFeKey Pro or OFeKey Free from the Google Play Store. Then, they need to download the add-on and open the keyboard app. In the app's settings, users can select "Available Themes" and choose the "Dark Orange Appearance" option. If the option is not immediately available, users may need to restart their device.

Overall, OFeKey Theme SAS ORANGE is a simple and easy-to-use add-on for those looking to customize their keyboard's appearance. It is compatible with Android 9.0 and is free to download and use.