If you experience problems with the use of the app or would like to leave comments, we would like to redirect you to the following resources.
First, please read our Frequently Asked Questions for visitors to see if any of your questions has already been answered.
Also check the list of known issues to find out whether there may be problems with the device or operating system you are using.
If you cannot find your question or have a general comment, please follow the link to the contact form.