Asia markets were mostly lower on the final trading day of the week, as investors digested major central banks' decisions to stand pat on their monetary policies.

Stateside, the U.S. Federal Reserve opted not to raise interest rates on Wednesday local time, citing a slowdown in economic activity in the country. Then on Thursday, the Bank of Japan (BOJ) unexpectedly kept its policy steady, disappointing a substantial section of the market that was betting on further stimulus.