"翻滚吧! 阿信" (Roll Over, Ah-Shin) is a Taiwanese movie released in 2011. It's a sports comedy film starring Jam Hsiao (蕭敬騰), an acclaimed actor and singer in Taiwan.

To watch this movie online, you may try the following options:

1. Check popular streaming platforms like Netflix, Amazon Prime Video, or iQIYI. They sometimes license movies from different countries.

2. Visit the official websites of Taiwanese streaming services such as myVideo or Catchplay. These platforms often have local content available.

3. Look for it on YouTube. Some movies are available with permission from the copyright holders.

4. Search for legal rental or purchase options on iTunes, Google Play Movies, or VUDU.

5. Check if your local library offers digital lending services that include this title.

Remember to always use legitimate methods to access copyrighted material to support creators and rights holders. If you cannot find it easily, it might not be widely available internationally due to licensing restrictions.