Learn how to schedule a meetings in Teams on a mobile device.
Scheduling a Meeting
To schedule a meeting, go to Calendar 
on the bottom of the app, then select Schedule a meeting 
in the top right.
Go to Add participants 
and select the people you'd like to invite.
Next, go to Share to a channel:
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If you want have your meeting in a channel, select the appropriate channel.
-
If you’d rather not, skip it.
Note: When you have a meeting in a channel, people will be able to see and join it in that channel.
Then, set start and end times and write a description for the event.
Finally, select Done to schedule your meeting.