What are some computationally demanding things you can do with a latest generation phone that you couldn't possibly attempt with any phone, say 4 years ago? Be

What are some computationally demanding things you can do with a latest generation phone that you couldn't possibly attempt with any phone, say 4 years ago? Besides "browse the web in general". Specific necessarily demanding (as opposed to needless resource hog) web apps would be interesting to know about, though. Not rhetorical questions.