Piano assistance is a productivity chrome extension. it's a free extension , it has 131 active users since released its first version, it earns an average rating of 0.00 from 0 rated user, last update is 1571 days ago.
通过互联网更好的学习钢琴.
You could download the latest version crx file or older version files and install it.
中文 (简体).
You could find more help information from piano assistance support page.
You could send emails to publisher, or check publisher's website.
More about manifest_file of piano assistance.
You could click to report abuse of piano assistance.