noobish questions

As a noob in game making here is a few questions:

  1. I couldn’t see an option for restricting the rotation in the constraint droplist.I mean how can i restrict an object to rotate about an axis between x and y degrees?
  2. With shift+F1 we append things like objects ,materials etc. As far as i see we can’t we do that for game logic settings?Does anyone know a direct solution?