Where to start app development?

Answer 1

You can start, programming with kotlin
https://www.sololearn.com/Course/kotlin/?ref=app

Answer 2

for programming on android, I advise you to start with java then smoothly switch to kotlin

Answer 3

Hi! You can start here, on SL

For mobile development:

https://code.sololearn.com/Wc0mkR5TeMKV/?ref=app

https://code.sololearn.com/W7fkt695n2vd/?ref=app

https://code.sololearn.com/W15402p78Rio/?ref=app

https://code.sololearn.com/W049XB43HrqG/?ref=app