Yes, Google Play Store is one of the most popular app market for Android phones and tablets but it is not the only Android App Market around. It’s an official market developed by Google for their users to download android apps for free and paid versions too. But the only downfall of Play Store is its reliability when you needed to download apps. It requires enough network coverage before it could open.
A number of popular apps, websites have launched their alternative app markets for Android. Some of these app markets even give away some popular paid apps for free. Some of these apps/websites are
Other alternative Android App Stores include Antiroid, GetJar, AppBrain, SlideMe and many more
Before you want to go on and install apps from third party marketplaces, you need to allow your device to do so. By default, Google prevents installation of apps outside Play Store on Android devices. Do the following to allow third party app installations on your device.
Go to Menu >> Settings >> Security.
Check on “Unknown Sources” (Allow installation of non-Market apps).
You will now be able to download and install apps from third party App Markets and other apk packages. Here are a few alternative places to Google Play, where you can look for a free version of a paid Android app.
Now you can click on any of the links above.