It's currently live on the network, yes. It's simplest to wait for the next update to the wallet, but if you're impatient (like I was) you can get the beta through Firebase:

https://appdistribution.firebase.dev/i/99cbb75b4e9c8d1c

Note that this version has a bug that says the username registration failed when it actually didn't. If it's a premium name it'll show up here (which tracks how many votes):

https://dash.vote/