Manually removing a background?

[defaultpek4m910b3aa]

How can a background be removed manually with PS Express on an iPhone 12?  Thanks in advance. 

[c.pfaffenbichler]

https://community.adobe.com/t5/photoshop-express/ct-p/ct-photoshop-express?page=1&sort=latest_replie...

[Ged_Traynor]

I'll move the thread to the correct forum

[c.pfaffenbichler]

Thanks!