Cloudalize Desktop doesn't correctly redirect the touch inputs to the Dekstop.
When your Desktop is launched from a mobile device, it's possible that the touch inputs aren't correctly redirected to your Desktop.
This is mostly the case while viewing a model in game-engine based 3D software (Unity, Unreal Engine ...).
To fix this issue, you can switch to Multi-touch mode. This is possible in the Citrix Receiver app and in any HTML5 browser.
To switch to Multi-touch mode, press the following button:
To switch to Panning mode, press the following button: