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Communication Apps
Communication apps allow us to communicate with each other by sending and receiving
messages, information, and opinions in the form of texts, videos, and audios. These apps also
allow us to see the face of the person whom you are talking to.
The most commonly used communication apps Skype, Signal, and
FaceTime.
E-Commerce Apps
E-commerce means to buy or sell products on an online service over the Internet. E-commerce
apps can be used anywhere and anytime, while sitting at home or any other place.
Amazon is the leading online marketplace which provides an
excellent shopping experience to its users. Some other examples of
the E-commerce apps are Blinkit and Paytm.
DOWNLOADING AND INSTALLING THE APP
As you already know that an app is a software program. Hence, to use any app, you need to first
install it on your mobile device. As we have already learned, Google’s Play Store and Apple’s App
store are the most commonly used app stores. Among these two, Google’s Play Store is more
popular due to the huge market of Android devices. So let's learn how to install an app from the
Google’s Play Store on an Android device.
To download and install an app on an Android device, perform the following steps:
Step 1 Tap on the Play Store icon of your Android mobile. The home screen of the Google’s
Play Store appears.
Step 2 Type the name of the app or related keyword in the Search for apps & games box
at the top. In our case, we have typed
the duolingo keyword. A list of related
apps appears.
Step 3 Tap on the app you want to install. In
our case, we have tapped the Duolingo:
Learn English Free app.
Step 4 Tap on the Install button. The
app will start downloading. When
the downloading is completed,
the installation process will start
automatically. Within a few seconds,
your app will be installed on your
mobile.
Step 5 The icon of the app will appear on your
screen.
Opening Google Play Store
App Development 59

