Many fixes

app/src/main/res/values-de/strings.xml

@@ -368,7 +368,7 @@
 	<string name="headsetConnected">Headset (Art: %1$s) verbunden</string>
 	<string name="headsetDisconnected">Headset (type: %1$s) getrennt</string>
 	<string name="headphoneSimple">Kopfhörer</string>
-	<string name="headphoneMicrophone">Mikrofon</string>
+	<string name="headphoneMicrophone">mit Mikrofon</string>
 	<string name="headphoneAny">Egal</string>
 	<string name="headphoneSelectType">Kopfhörer Typ auswählen</string>
     <string name="whatsThis">Was ist das?</string>