Getting to a stable version...

app/src/main/java/net/mezimmah/wkt9/keypad/KeyCommandResolver.kt

@@ -71,6 +71,8 @@ class KeyCommandResolver (
 
                     Key.BACK to Command.BACK,
                     Key.POUND to Command.SHIFT_MODE,
+
+                    Key.FN to Command.FN
                 )),
 
                 afterLong = HashMap(mapOf(

app/src/main/java/net/mezimmah/wkt9/keypad/KeyEventResult.kt

@@ -23,7 +23,7 @@ data class KeyEventResult(
     val updateWordStatus: Boolean = false,
     val focus: Boolean = false,
     val switchInputMode: WKT9InputMode? = null,
-    val functionMode: Boolean = false,
+    val toggleFunctionMode: Boolean = false,
     val increaseVolume: Boolean = false,
     val decreaseVolume: Boolean = false,
     val increaseBrightness: Boolean = false,