Its currently only possible to change hosts on a PC or Mac computer.
TheChange owneroption is unavailable on the Google Calendar apps for Android and iPhone.
How Do You Change the Host in Google Meet?

Unfortunately, you could no longer change the host once a meeting has started.
You cant change ownership to someone unless they are using a Google account.
Open Google Calendar and tap on the meeting from the grid.

ClickOptions(three vertical dots) in the top right of the event window.
punch in the name of the person youd like to make a host.
Click their name in the name field and then clickChange owner.

The meetings ownership will change once the attendee accepts the transfer by clicking a link in their email.
Why Cant I Reassign Who Is Hosting in Google Meet?
However, Google’s paidWorkspace accountsgreatly expand the Host Management tools.

The most significant change is that you’re free to assign up to 25 co-hosts in a meeting.
Navigate back to the main meeting screen and clickShow everyonein the bottom right.
Click thePeopletab and locate a participants name.
Next to their name, tapMenu(three vertical dots) >Grant host controls.
Tap the meeting name in the top left of the screen.
Tap thePeopletab and locate a participants name.
Next to their name, tapMenu(three vertical dots) >Add as co-host.
FAQ
Go to thePeopletab.
Next to the person’s name, selectMore>Remove from meeting.
If you’re the host, selectEnd meeting for allto remove everyone.
Go toMenu(three dots) >parameters>Host Controls.
Torecord on Google Meet, selectMenu(the three dots) >Record meeting.
When you’re done, go toMenu>Stop recording.
Recordings are saved in the Meet Recordings folder in your Google Drive.
Tochange your Google Meet background, selectMenu(three dots) >Change background.
To change it back, go toMenu>Change background>Turn off backgrounds.
you’ve got the option to blur your background before or during a meeting.