Cxxdroid is the most easy to use educational C and C++ IDE for Android.

Features:
- Offline C/C++ compiler: no Internet is required to run C/C++ programs.
- Package manager and a custom repository with prebuilt packages for common libraries, such as Boost, SQLite, ncurses, libcurl, etc.
- Graphics libraries such as SDL2, SFML* and Allegro* are also available.
- Examples available out-of-the-box for quicker learning.
- Full-featured Terminal Emulator.
- C/C++ interpreter mode (REPL) based on CER