Thanks to this application: With Arduino Bluetooth connection you can control serial port, led and rgb led. The codes that should be loaded into the Arduino are in the bottom right of the bluetooth connection screen in the application. Dependent on the sending and receiving formats of shared codes.
ÇAĞRI ASLAN developed this application that falls into the Educational category. The developer rolled out a new version of ElectroApp on Dec 21, 2018 and over 50K users downloaded and installed the app. Google Play displays that the tool is rated 4.1 by its users.
Ads are a part of this application. Get the installation package of ElectroApp 1.2.4 that is provided for free and take a look at users' reviews on Droid Informer. The app is built for Android 4.0.3 and higher. The app is completely safe for downloading.
From the users' point of view, this application has such a drawback as video ads.