How do I "alt-tab" to existing instance of application instead of opening a new one

[RedwanFox]

How do i reach such behavior:

1. I open application A
2. I open application B
3. I type application A in flow and flow makes already opened instance of A focused
   ?

This works right now for several applications, because its handled on app side.

[deefrawley]

Install the Window Walker plugin