JA Sensei 4.3.0 available on Google Play. Here are the modifications:

• 5 new lessons added!
• Kana and Kanji drawing sheet improved
• Some Kana were not centered, fixed
• Submenus in each module modified
• Navigation drawer added in the main menu
• Some icons updated
• App size reduced
• FAQ section updated

If you enjoy JA Sensei, please leave a comment in Google Play to support me. Thank you!