Hi, it's not very convenient to create a window for transporting the population from one planet to another. Now it looks like this:

It would be nice to add a bit of informative content, such as free places on the planet, the type of planet, the feature of the planet. Here is an example:

This is very convenient for a late game. It is not necessary to remember in what system I have some cells of the population.

Yes! Good UI idea. Also an specific screen for migration had been asked for before, ATM can found the idea, but it's there, so you can look for it and upvote.