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Enter message in the Text block
Step 1: Click on Text component.
Step 2: Drag and drop message block on Call TextToSpeech1.message block.
Step 3: Type the message within the message block.
Test Your App
To test your app, go to the connected device or Emulator and click on the button. Your phone
will read the phrase aloud. Keep the volume of your phone/laptop high
Recap
An app is a software program primarily developed for hand-held smart devices such as mobile
and tablet.
The three most popular app stores are Google’s Play Store, Apple’s App Store, and Microsoft’s
Windows Store.
There are mainly three main types of applications, Desktop, Mobile and Web.
Android is an operating system for mobile devices developed by Google.
iOS (formerly iPhone OS) is also a popular operating system developed by Apple Inc. for its
hand-held devices such as iPhone and iPad.
There are three types of mobile apps, Native, Web and Hybrid.
App Inventor is a free platform which can be used to create apps for smart phones.
App Development 119

