Improve chooseannotator.xml layout by removing innecessary views.
Add button in AboutActivity.java to let user see application's license information.
Add padding to all elements into about.xml.
Change padding from ScrollView to licenseTextView in AboutActivity.java to display the scrollbar in the right edge.
Make the EditText for create new players to exactly 1 line. User still can press enter and it will display the name very bad.
Specify different colors for license text by adding a style for each values, values11 and values14 resources.