What programming languages should i learn to create an app?

Answer 1

For Android: Java/Smali
For iOS: Swift, Object-C
For Mac: Swift
For Windows: C#,C++

Answer 2

@edward for example i want to create a game app. for android

Answer 3

for what platform?

Answer 4

if its a small game with not too much graphics, then go for java, as java is the native language for android. but if its a game with a lot of graphics, a game engine like unity would be better. unity uses c#, which is similar to java btw