You can write and compile standard Java apps on Android with AIDE [1]. For young kids, you can make games on Android with Pocket Code [2] using a visual program

You can write and compile standard Java apps on Android with AIDE [1]. For young kids, you can make games on Android with Pocket Code [2] using a visual programming UI similar to MIT Scratch. [1] https://play.google.com/store/apps/details?id=com.aide.ui https://play.google.com/store/apps/details?id=com.aide.ui [2] https://play.google.com/store/apps/details?id=org.catrobat.catroid https://play.google.com/store/apps/details?id=org.catrobat.c...