Columns has no depth compared to lumines thats it.

And you acting so high about your english skill just shows your ignorance that not everyone here is native english speaker.

Lumines could be compared to tetris attack however, but thats only one action-puzzle game i know that compares to lumines.

Lumines IS awesome game. And there are some nice games for psp. But anyway i just wanted to say that imho lumines is very good and unique game. I guess you just didin't give enough time, or it just doesn't suit you. It's nowhere near crap.

Well using package yes. But there is almost always a possibility for ./configure --prefix= and place stuff where you want. Any amount of versions just in different places. For example i have 3 versions of wine installed:) Really useful.

What would prevent application from app level to do malicious stuff? I'm just guessing that nothing.

I guess it just seems so because human eyes are most sensitive to green.

Until data becomes not the first thing we need from space. Or until data allows us to get something very useful from there.