Horchbox App for Android
For some users it might be helpfull if they can check the status of a Horchbox without a PC or looking at the SD card. This can be done using the Horchbox App for Android, if you have an Smartphone with Android and USB Host capabilities.
If so, you can download the App here: App 
You also need a connector for your Smartphone where you can plug in a normal USB cable. The other end is connected to the Horchbox. Then you should be able to get data from the Horchbox like in this picture:
A smartphone connected to the horchbox
Since there are a lot of different smartphones used, we can not garantue that it works fine with every model. But just try it - and give us feedback, we will gladly integrate/update the App to your needs.