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Imagine situation, when new window appears, when I decided to click some button, but this window is modal window and I must first click on newly created window.

I wanna click on newly created window and move pointer above button, which I want click before modal window appears.

Solution is simple:
1. move the cursor at newly created window by super+ctrl+0,
2. remember cursor position and window by clicking super+ctrl+DIGIT(but not 0)
3. restore cursor position and window by clicking super+ctrl+DIGIT(but not 0)

Digit means slot of cursor position. When no cursor position is remember in slot 1 and user press ctrl+super+1, current cursor position will be remember. If cursor position is remember in slot, then cursor position from that slot will be restored and slot will be empty.

In this case, I can use my desktop computer very fast. For example: set slot 1 as toolbar and slot 2 as down buttons group. It even works, when I move window, because it remembers window and cursor position on that window.

I realized It could be useful to move cursor at center of another screen by keyboard shortcut. For example, I'm watching movies on TV and my laptop is placed on my desk. I use KDEConnect on my Phone to move mouse, when watching movies.

It could been useful to move cursor between screens by keyboard shortcut. It could be more intuitive to move cursor based on phone distance from laptop/PC, but better to implement keyboard shortcut to move cursor to another screen at now.