MIT App Inventor Get Started Follow these simple directions to build your first app! Tutorials Step-by-step guides show you how to create even more apps. Teach Find out about curriculum and resources for teachers. Forums Join community forums to get answers to your questions. Setting Up App Inventor 2 You can set up App Inventor and start building apps in minutes. The Designer and Blocks Editor run completely in the browser (aka the cloud). To see your app on a device while you build it (also called "Live Testing"), you'll need to follow the steps below. You have three options for setting up live testing while you build apps If you are using an Android device and you have a wireless internet connection, you can start building apps without downloading any software to your computer. If you do not have an Android device, you'll need to install software on your computer so that you can use the on-screen Android emulator. If you do not have a wireless internet connection, you'll need to install software on your computer so that you can connect to your Android device over USB. Option One - RECOMMENDEDBuild apps with an Android device and WiFi Connection (preferred): Instructions If you have a computer, an Android device, and a WiFi connection, this is the easiest way to test your apps.
Using the App Manager - Mozilla | MDN The App Manager is a tool for Firefox Desktop which provides a number of useful tools to help developers test, deploy and debug HTML5 web apps on Firefox OS phones & Simulator, directly from Firefox browser. This page documents how to use the App Manager. App Manager is available for Firefox OS 1.2 or later, lower versions are supported in Firefox OS 1.1 Simulator. The App Manager is being replaced by the WebIDE, starting from Firefox 33. The App Manager is composed of: Quick setup This section is designed to get you up and running as soon as possible; if you need some more detail please skip forward to the Device and system configuration section and start reading from there. Make sure you have Firefox Desktop 26+ installed Open the App Manager (in the URL bar, type about:app-manager, or go to Tools > Web Developer > App Manager in your Firefox menu.) Device and system configuration Firefox OS 1.2+ required Make sure your device is running Firefox OS 1.2/Boot2Gecko 1.2 or higher. Debugging