Well, You're still young, that's a plus.
You mention your project (in your company I assume), which seems to mean quite a bit for you. Besides leaving your friends, that's another point worth considering. Is this project close to completion?
Quite honestly, you're the only one really able to answer your question. If you don't have much to loose, and a lot to gain, you should go for it. Being young means that you can afford to lose a bit of time in that sort of experiment, and that you probably didn't invest a lot in settling where you are. At some point later in your life, unless you are really successful (or if your job allows it), the world will expect you to settle somewhere, because it gets harder and harder to do it as one get older (think savings, relationships, building a family).
Quite honestly, you're the only one really able to answer your question. If you don't have much to loose, and a lot to gain, you should go for it. Being young means that you can afford to lose a bit of time in that sort of experiment, and that you probably didn't invest a lot in settling where you are. At some point later in your life, unless you are really successful (or if your job allows it), the world will expect you to settle somewhere, because it gets harder and harder to do it as one get older (think savings, relationships, building a family).