Download this app if: you want the official business networking app.
LinkedIn for Android goes mobile with your business contacts — Facebook users include just about everyone you know and anyone you might ever imagine knowing, but through that tool you're more likely to find photos of their kids and bulletins of what they had for dinner, rather than assistance finding a job. If you want to network for business, use LinkedIn....
Opportunity is always within reach with the LinkedIn app for Android. Our Android app makes it even easier to build your personal brand, make connections, stay informed with personalized news, and more – right in your feed.
• Find and connect with a professional network of more than 300 million...
LinkedIn is THE social platform for business — LinkedIn has come a long way in the app world. When it started it was frankly awful, but now you can do many of the same things as on the web, including easily replying to messages. I don't use this app as much as the others but it works well when I do.