It is clear one of the only courses of action for the Japanese government is purchasing foreign currency en masse. Bitcoin may present the solution they are looking for, as it can soak up a lot of money that needs to be spent. Moreover, Japan is warming up to the concept of Bitcoin and cryptocurrency as of late, which could spell a BTC price increase in the coming months.
http://www.livebitcoinnews.com/the-need-to-suppress-yen-value-may-lead-to-bitcoin-boost/
http://www.livebitcoinnews.com/the-need-to-suppress-yen-value-may-lead-to-bitcoin-boost/
The Japanese may be warming up to Bitcoin, not the Japanese government.
To suppress the value of the Yen, all the government has to do is buy enough dollars. There is no need to take risk by investing in Bitcoin.