JA Sensei version 5.4.5 is available.

Here are the new features:

• Kanji: sort your items by number of strokes, meaning, JLPT/Jouyou levels, and review progression
• Vocabulary: sort your items by meanings, JLPT levels, and review progression
• Quiz options: choose exactly how many new items you want to learn at a time
• Verbs: Ichidan/Godan quiz could crash when selecting some verbal forms. FIXED

Download JA Sensei directly from Google Play, and don't forget to rate and comment the application to support it and encourage its development.

See you soon!