>Is there anything more after the who will run the town quest?
Nope. That's most of the content in the first chapter. But there's still loads of side quests scattered all about. Try exploring around the Pit and speaking to named NPCs. Should get some quests by doing so. Frogs are pretty annoying, yeah! That's why you have to smash them down with a big hammer!
>Did you guys found any reason to use evasion instead of armour skill?
Evasion is good because it's super consistent. If you create a build that specializes in dodging attacks, i.e picking dodge feats, having moderately high perception and dexterity. You'll be consistently dodging attacks from enemies. Especially if you get the disruptor gadget!
>As companions go the girl is pretty shit lol. She gets downed very fast and hit anything.
Faythe takes a lot of work to get going, but once you get her going, she's an absolute unit! This was the build that I used on her: