You might know Fitbit from its popular fitness trackers, but the app that powers those devices works well on its own, too. Using your just your smartphone (assuming you meet the minimum hardware requirements), this fitness app can count steps and log activities to help you achieve daily goals. There are also social features, so you can compete against your friends. It's a must-have (really, you must have it) for Fitbit users, but also a smart choice for anyone looking to be more active. Droid App
Network Analyzer makes it easy to view information about all of the Wi-Fi networks nearby. With a few taps, you can see the strength of networks in the area on a dynamic graph and view detailed information about your connection, such as your IPv4 Address, MAC Address, and Default Gateway IP. You can even run a network query from within the app; it lets you Ping an IP/Domain Name or even check the DNS Server settings. It's the perfect companion to our article on how to find your IP address.
Most people are probably familiar with LinkedIn as a service only visited in times of desperation; after being laid off or after a day in the office so bad that you're just not going to take it anymore. While that might still be true, the LinkedIn app aims to be a companion to LinkedIn web service that you check every day. Sure there's the all-important profile pages showing off your work experience, and the handy tools for networking, but the service now includes visitor metrics and a newsfeed for a decidedly more social feel. It's also sometimes the only way to chat with a businessperson you're looking to connect with. It's like Facebook for grown-ups. Android App
Most manufacturers try to entice people to use their apps and services. Some companies, like Sony, with fingers in a lot of pies, want you to commit to their ecosystem of content. As the biggest and most successful Android device manufacturer around, Samsung has been offering a range of its own services and content on all of its devices, and that includes apps. The old app was Samsung Apps, then it became S Suggest, and it was finally re-branded as Galaxy Apps in July 2014. There’s also a website that you can sign into, enabling you to browse apps and send them directly to your device.
It’s a pretty self-explanatory step. The Google Play Store comes in APK format like any other Android app. You can download APKs from websites, tech blogs, and trusted people on forums or other places. However, for now, APKMirror is probably your best bet for trusted Google Play Store APKs. Here is a short tutorial for downloading the Play Store app: Droid App