I wanna learn mobile app development

Question

Can anyone point me to what I should focus on this app to learn much about mobile app dev. I know 50% java and some python also.

Answer 1

Focus on JAVA or/and KOTLIN for Android AND SWIFT for IOS

Answer 2

https://www.sololearn.com/post/93189/?ref=app

https://www.sololearn.com/post/182934/?ref=app

https://code.sololearn.com/WKKkpq0efxai/?ref=app