BEST ANDROID APPS FOR DEVELOPERS

1. Algoid - Programming language
Features:
Syntax highlighting
Debugger with breakpoints (interrupt operation and debug)
Step-by-step execution mode
Real-time scope explorer
Auto-completion of code
Syntax error handling
Unlimited Undo and Redo

2. DroidEdit Pro (code editor)
Features:
Syntax highlighting for several languages (C, C++, C#, Java, HTML, CSS, Javascript, Python, Ruby, Lua, LaTex, SQL, ...)
Several color themes
Infinite Undo and Redo
Search and Replace
Auto and block indentation

3. AIDE-IDE for Android Java C++
Features:
Create a sample App with a single click
Build Java/Xml apps
Build C/C++ NDK apps
Build pure Java console applications
Run your App with a single click
No root access required
Incremental compilation for fast build times

4. Learn Java
Features:
Java Basics: Variables, Operators, etc.
Conditional Statements and Loops
Arrays
Classes and Objects
Encapsulation, Polymorphism, and Inheritance
Abstract Classes and Interfaces