@luisArandas===
That is not so simple
You cannot take your sketch and “export” it for android (processing mode): you have to use the android mode and re-write your code for android, which probably means a lot of modifs but is feasable.
As for IOS it is much more complicated; the link given is for an app which is able to “translate” java code for ios; but you cannot “export” anything towards this app. So i am afraid that you have to learn objectiveC, especially when you think that the screen sizes and screen res are very different from android to IOS…
Time ago i have tried to use this: https://www.codenameone.com/
but ( perhaps now it’s different) i have got very poor results, mainly for the ui…