Why screen recording is its own category
A lot of clippable material never exists as a downloadable file: an app doing something surprising, a game moment, a software walkthrough, a live stream with no export. A screen recorder is how you capture that raw material in the first place, which makes it upstream of the whole editing workflow.
Frame rate is the quality that matters
For gameplay and fast on-screen motion, capture frame rate decides whether the clip looks smooth or juddery. Recording at a high frame rate and delivering the smoothest possible motion is what separates a usable game clip from an unwatchable one — far more than raw resolution.
For a static app demo, frame rate matters less and you can trade it for smaller files.
The performance tax
Recording consumes the same machine that is running the game or app, so a heavy recorder can degrade the very thing you are capturing. Hardware-accelerated encoding — letting the graphics card handle compression — is the feature that keeps recording from stealing performance. On a phone, the built-in recorder is usually the least disruptive option.
Capture a clean feed
The most common avoidable mistake is recording your notifications, cursor clutter, or overlay panels into the footage. Capture a clean feed — hide what the viewer should not see before you hit record — because removing it afterwards is far more work.
Rights come first
Screen-recording someone else's stream or game does not by itself grant permission to republish it. Confirm what the source allows before you build clips on top of it, especially for gameplay and live broadcasts where terms vary.