App Inventor runs through a Web browser. If you're using a phone, you work with the phone connected to your computer by a USB cord. Your app will emerge on the phone bit by bit as you work. If you don't have a phone, there's a phone emulator included with the App Inventor setup package that you can use instead. When you're done building, you can "package" your finished app to produce an "application package" (Android apk file) that can be shared around and installed on any Android phone, just like any other Android app.
Every social media expert should develop and daily endeavor to emulate the following seven habits. Transforming each declaration into a personal habit will help the social media expert to develop his or her effectiveness.
"PCjs is an IBM PC simulator written entirely in JavaScript. The configuration below specifies a clock speed of 4.77Mhz, with 64Kb of RAM and a monochrome display, using the original IBM PC Model 5150 ROM BIOS and MDA font ROM. For greater control, there's a configuration with a Control Panel and the PCjs Debugger."