Rename App Title after the registered app principal

Hi Team 

I registered the app using/_layouts/15/appregnew.aspx  URL in SharePoint online, now want to change app title.  

I have tried with   “/_layouts/15/appregnew.aspx ” URL, however could change the permission only, not the APP title,

In PowerShell also having following features only    , there is no option to updated APP title

1. Get-SPAppPrincipal
2. Register-SPAppPrincipal
3. Remove-SPAppPrincipalPermission
4. Set-SPAppPrincipalPermission

Please help on this.