Hi 재현 백 ,

To assign application to groups please follow the below steps,

1. In the Admin Console, click Applications > Applications.
2. Select the required application & click on the Assignments tab.
3. Click Assign and select Assign to Groups.
4. Image is not available
5. Locate the group you want to assign the application to and click Assign.
6. Complete the fields in the Assign <application name> to Groups dialog box if it appears.
7. Click Save and go back.
8. If you want to add multiple groups to the same group ,you can select the groups there.
9. After adding required groups Click Done.

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I want to assign multiple apps to multiple groups at once like a below image(we can assign multiple users to multiple apps)

I have too many apps(more 100apps) to assign groups,,