One would presume the question would pertain to applications available on the Android operating system for various devices. These can include games, social networking, weather, finance and news applications, to name but a few.
Sony Ericsson phones utilize the Android operating system. Applications and downloads compatible with Sony Ericsson and other Android phones can be found on Amazon's Android Applications Store, Google Play and the Android Market as well as other websites.
It is because all the applications are linked to the old one. You have to re-install the applications again. Or you can delete their data to restart.
Google Play has an app for Google Maps that can be downloaded on an Android device. Google Mobile also has apps for Android devices, including Google Maps.
Android One is a program where people in developing countries can purchase a low price point, entry-level smartphone with quality components and a pure Android OS experience, not unlike what you see in the higher-tier Nexus and Google play edition smartphones. Google chooses the hardware and software, and the smaller phone manufacturers can fashion some apps and hardware to distinguish itself. You also get up to two years of software updates from Google, and as such it will get updates around the same time the Nexus line gets theirs.
Google has a number of apps for it's Android mobile platform. It also has an app for the iPhone (iOS) that consolidates most of services under one icon.
You can share Android applications from one device to another using the Bluetooth sharing device.
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One can only download Google Maps if their GPS is an "Android" i.e. a GPS bought from Google. If you have one of these then you can download Google Maps straight from "Google Mobile Maps".
The Nexus One was Google's first foray into having their own Android-powered device. The phone was aimed for app developers and tech enthusiasts, and were the first to get OS updates ahead of anyone else. The hardware was at times ahead of its time, and years later, can still be seen in use.
One can find floorplan apps for Android in the Android Market, which is also known as Google Play. One goes into there and looks up floorplan and apps related to that will come up.
One of the main reasons why iOS is more secure than Android is because Android marketplace venders have much more freedom and flexibility when it comes to distributing applications. This means that third party applications can be infected with malware. Another reason is that Android phones are becoming a more popular platform with at least one million Android activations everyday.