Within Teamwork Chat it is possible to switch to another Teamwork application when using the browser version on your mobile. 

To do this, select the downward facing arrow next to the Teamwork Chat icon located in the top left of your chat window. You will then be able to select either Teamwork Desk or Teamwork Projects to open.

Once you have switched application to either Teamwork Projects or Teamwork Desk it is possible to return to the browser version of Teamwork Chat using the product switcher located next to your profile icon. 

Teamwork Projects.

Teamwork Desk. 

For more information, see: Downloading the Teamwork Chat mobile app