Good news: I had a successful sync today (using 0.4.0)---no more stalling at 20%. Mcal on tablet now seems to send events created on-tablet to google calendar, and downloads MOST events from google cal to tablet. However, some events from google cal are not being downloaded (namely recently created events (within last few minutes, say) and standing events, such as my daily reminder to take my vitamin.

In any case, this is progress!