Use ViewHolder pattern for View recycling
Use proper layout
Convert encoding from cp949 to utf-8
Remove trailing whitespace
Replace tab with 4 spaces for indentation
Replace tab or multiple spaces with one space
Optimize imports
Add braces for one line conditions and join brace lines
Add spacings
Rename class variables according to Android code style guidelines

https://source.android.com/source/code-style.html
Make class variables of `BGMStoreQuery` private
Remove unused resources
Adjust resources
Make Github TextView look like a link
Adjust AndroidManifest.xml
onConfigurationChanged will not be called because of android:screenOrientation

and there are no android:configChanges
Return the result without making assignments