Benefit/not depends on many things: 1) Your values 2) Your employer 3) Your career path So best to get both, work experience while studying masters, that is. You get also extra points because you look so hard working while doing both same time. Also, as many people have pointed out, you might benefit a great deal from it later. Check out the management ladder in many companies, many times there are not a single guy without masters degree.

Jaiku was originally mobile-only microblogging, as far as I remember. The web interface came later. The original client was developed for Nokia Series 60 (C++). Not sure about the server side, might have been Python. Also, the Google Apps integration came later, after the acquisition. One of the unique selling points (from Google's point of view) was (disclaimer: I'm guessing) how Jaiku enhanced S60 default Contacts list to presence.

The problem in J2ME development is the cost of porting and QA. So my guess is that you will have hard time finding a publisher for your title, since the publisher would need to invest signifigant amount of resources to port and do QA for the title. Also, pretty much all mobile publishers have own porting platforms built on top of basic J2ME, so they would need to "port" your game to the platform as well. So in the worst case they would need to pretty much re-do your game. Plus they would need to negotiate some deal with you, which would cost time and money as well. So unless your game is extremely addictive and it shows in 2 minute gameplay, I think you can forget about finding a good mobile publisher for it.