Facebook is undoubtedly the most popular social networking service we have seen. You have been using the Facebook official app for Android smartphone for quite long time. But there are many other apps that can be used as an alternative for the Facebook app.
These app are useful for the smartphone with low power and on low network too. Take a look at the slider for the Facebook client apps.
Fast is a new and free client to manage your Facebook account! Fast gives a great and full experience even to the less powerful device! You can use it also as social reader, you can organize your list and read-share all the stories from your favorite blogs or newspapers on Facebook. You can download the app on Android app store.
Tinfoil for Facebook
Tinfoil for Facebook is for those users that require a Tinfoil Hat when logging in to Facebook. It creates a sandbox for Facebook's mobile site in order to protect your privacy and to avoid the ability others to track your browsing history. Download the app on Google Play Store.
Klyph for Facebook
Klyph comes with a nice and smooth UI designed following the Android Design Guidelines, Klyph looks like the Google+ app but for Facebook. Still young and in early development, Klyph is certainly not perfect yet and may still miss some features but tries to bring the best user experience of Facebook on your Android devices. Download the app on Google Play Store.
FBM for Facebook
This application is an implementation of the Facebook mobile website written into an application to allow advanced features. It uses the official Facebook SDK to provide features such as notifications. The advantage of using this app is that features such as notifications, contact sync and direct photo/video uploads can be integrated directly into the Android device. You can download the Google Play Store.
Metal for Facebook
Metal is a Web wrapper with some awesome enhancements you don't get from just a browser like Notifications, Floating windows and Themes. Now the app also supports Twitter, so you can handle two social networks in one tiny app. You can download the Google Play Store.