Hello, I am having the same problem
I can no longer view my calendar in the touchdown app.
When I select the calendar , it shows a blank month and freezes the app…….
Then I get a message that says “Touchdown isn’t responding “
This started about 2 months ago
I get the same thing on several android devices.
I have deleted the app and reinstalled, no luck
I have clicked “report” several times.
Please help, This app was great before this problem