You can install android apps by following the steps below.
• Open Play Store
• Tap the app category you want, or
• Type in the app or keywords you are looking for
• Tap on the app you want to install, and you can see details of the app like description, screenshots, reviews, rating etc.
• Tap on the “Install” button
• Alternatively, on the search results page tap the “…more” button for full listing
• You can tap on the three dots to the right of each result and see the “Install” option on it
• Tap on “Install” and you’re done