It’s a double edge sword, I’d would be nice to be built directly into Android AOSP, but at the same time if it was, phones without the latest Android wouldn’t even have it

There’s two in-app browsers experiences in Android. Developers can either make a pretty facade to a WebView like Facebook or Instagram, that one you have the capabilities to inject JS or CSS as needed, like here. The other one is Chrome Custom Tabs, which browsers like Firefox and Chrome support, developers don’t have access to your data in here

Kubuntu 8.04 was my first, with the KDE 4 demo, it was pretty as fuck compared to Windows XP that came with that PC

I’d go with some applet as the culprit. I use a Haswell i7 laptop and it’s quiet

I remember reading that it supports mouse and keyboard, but the main input control are hand motions