Important:
The app takes about 210Mb as it contains IDE, compiler and uploader. Make sure you have enough free space in internal storage and it can't be installed on sd card because of Android security policy.Features:
* open/edit arduino sketches
* example sketches and libraries included
* customizable code syntax highlighting *
* compile sketches (no root required)
* upload sketches (Arduino Uno/Uno_r3, Duemilanove, Nano, Mega 2560, Leonardo, Micro/Pro Micro, Pro, Pro Mini boards are supported, android devices with USB-host support required)
* works offline (no internet connection required)
* code complete *
* real-time diagnostics (errors and warnings) and fixes *
* file navigator *
* tiny built-in software keyboard *App blog:
http://arduinodroid.blogspot.comTroubleshooting:
http://arduinodroid.blogspot.com/p/troubleshooting.htmlAdvanced paid features (marked with *) review:
http://arduinodroid.blogspot.com/p/advanced-features.htmlCppDroid app:
http://cppdroid.blogspot.comArduinoCommander app:
http://arduinocommander.blogspot.com© "Arduino" is a trademark of Arduino team.

// Option A //

To download ArduinoDroid - Arduino/ESP8266 mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download ArduinoDroid - Arduino/ESP8266 mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download ArduinoDroid - Arduino/ESP8266 from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search ArduinoDroid - Arduino/ESP8266 in HappyMod App.