How can I view the apps and games out of a meeting time?

You do not have to be connected with a client to view apps.

In order to view apps, you need to start session first. The following article describes how to start a session. You can start a session by yourself without client joining you.

https://theraplatform.zendesk.com/hc/en-us/articles/115006308968-How-to-start-meeting-

Once you start session, click on "Apps" link. Please, refer to the following article explaining how to use apps:

https://theraplatform.zendesk.com/hc/en-us/articles/115006314508-How-to-use-built-in-apps-during-meeting-SLPs-only-