Currently, only Android users can download the Apps.
Enter the Ticwear Store from the homepage of Ticwear companion and download Apps (Currently only Android users are supported, iOS users are not)
Keep the watch connected with the phone via Bluetooth, click the upper left corner in Ticwear companion, and select "Sync Apps" in the popped up page
Keep the watch connected with the phone via Bluetooth, open Ticwear Store > Click the upper left corner> Click "My Apps" > find the Apps you want to delete from the list and click Uninstall.