The advent of the Android 4.4 Kitkat is here, with the LG Nexus 5 being the bringer of the new OS that will ultimately defragment the Google OS and bring about a more cohesive and solid Google in the OS segment.

In anticipation of the excitement and the succeeding Android 4.4 Kitkat updates before they hit other smart devices, here are some of the FAQs answered to get you started on what you need to know about Google's newest OS update.

Which smart devices will get the Android 4.4 Kitkat?

When the LG Nexus 5 was announced to be coming with the Android 4.4 Kitkat OS, a lot of fans rejoiced at the new OS as well as the new smartphone. However, with just a limited number of orders that sold out like pancakes in a couple of hours, some became worried that they may not be able to enjoy the new Google OS for a while.

However, BGR reports that a number of smart devices have already been listed to get the Android 4.4 Kitkat update in the next few months. The major brands that will be getting the latest OS include Samsung, HTC, Motorola, and Nexus.

In particular, the handsets that will get the Android 4.4 Kitkat includes the Samsung Galaxy S4 Google Play Edition, the HTC One and HTC One Google Play Edition (with the latter getting it within the next 15 days), the Nexus 4, Nexus 7, and Nexus 10, all of which have no definite schedules, and the Motorola DROID Ultra, Maxx, Mini, and Moto X, also still unscheduled.

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What are the features of the advanced Photo Editor?

The Android 4.4 Kitkat is coming out with the advanced Photo Editor, and it's dubbed to be the "non-destructive" version of the one in the Nexus 7.

T3 reports that the new app will have a number of features, such as exporting images with different sizes and quality, ability for predefined looks, geometry with individual tools, graduated filters, and easy reversion to the original file when editing, among others.

The link above features a YouTube video where you can see the advanced Photo Editor in action, for those who want to know what they can do with the new app.

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What does the Phone App do?

Apart from defragmentation of the Google OS for all upcoming smartphones and devices, another major feature that can be expected is integration of Google in your phone or tablet.

According to Marketing Land, the Phone App opens up a search box instead of the usual dialer, and it presents you with the most recent activity and calls that you've done. And this search box will be connected to Google+, which means that aside from contacts, you can easily search through businesses as well.

The downside to this app is that it may not be available for all Android phones, as the phone app can be changed depending on the manufacturer of the device.

Basically, the segment that would benefit highly from this new feature would either be the businesses who want to get their names to more people, as well as those who want all of their contacts integrated in one device.

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How do you add and remove home screens for the Android 4.4 Kitkat?

Perhaps one of the biggest changes coming with the Android 4.4 Kitkat is that the Google Experience Launcher now lets you have an unlimited number of home screens for your smart device.

The thing is, the default for the Android 4.4 Kitkat is only two home screens, and you would have a rather tedious time trying to add home screens. But if you want to maximise the new feature, WCCFTech provides a quick guide on how to add and remove these home screens.

To add the home screens, you need to tap on any icon that you want to put on a separate home screen and drag it to the right side of the screen. The new Google Experience Launcher will add a new home screen on the location that you drop the icon.

Removing a home screen on the Android 4.4 Kitkat would require you to delete all the icons and widgets that you have on a home screen, and any empty home screens will automatically be deleted.

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