chore(strings): update app version to V7.0.2

Author: haraldh

resources/strings/strings.xml

@@ -1,6 +1,6 @@
 <strings>
     <string id="AppName">gimporter</string>
-    <string id="AppVersion">V6.3.3</string>
+    <string id="AppVersion">V7.0.2</string>
     <string id="PressStart">Press Start/Menu</string>
     <string id="GettingTracklist">Getting track list</string>
     <string id="BluetoothDisconnected">Bluetooth disconnected</string>