If you want to be a programmer or you are already into the programming world, here are the apps that are useful for you if you are using android device.

1. AIDE - Android IDE


This app is an integrated development environment (IDE) for developing real Android apps directly on your Android device. Follow interactive coding lessons and step-by-step become an expert app developer. Visually design apps, write code with the feature rich editor with code completion, real-time error checking, refactoring and smart code navigation, run your app with a single click and use the Java debugger to find bugs. In short, it is like Android Studio on Computer.

2. Anwritter

anWriter is HTML editor than can help you to write code:
It offers an autocompletion support for: HTML, CSS, JavaScript, LaTeX (PHP, SQL in pro version).
It supports modern technologies:
It offers an autocompletion support for HTML 5, CSS 3, jQuery, Bootstrap, and Angular. In fact try it you're gonna like it.

Check more at: http://www.techandtip.com/2017/05/7-apps-you-will-like-to-have-on-your.html