We don't have any plans for a bespoke mac download at present -- maybe when we hit 1.0 -- but the game currently should work in-browser regardless of your OS, so as long as you have an internet connection you should be able to play just fine.
Amulets are (I think literally if not practically) always defensive in nature, by design.
Maybe one that reduces your Threat generation from attacks wouldn't be out of order.
No.
(Before anybody gets it twisted I have been begging people who are actually attracted to them and therefore would do a good job of writing them to write goblins for literal years)
Not everyone in SAVARRA, but if you think about it, the Frost Marches are nestled between Njorhaalt (Scandinavia) and Khor'minos (Italy), which would make them... Germany!
The PC's meant to be in his or her early 20s. It's left ambiguous for roleplay reasons, but there's at least a few years between you and the age of consent. All sexable NPCs are over the age of maturity for their races.