A bunch of devices. There's the Droid series phones and a bunch others. To much to name.
Android icons is nothing but a logo that is used to identify that this device posses an Android OS.
Android is a mobile operating system based on the Android Open Source Project (AOSP), which is a project run by Google. It is used to power smartphones, tablets, and other mobile devices.
There is no Android Website to be associated with, as such. However, you can link your Android device with your Google Account, enabling synchronisation between your device and the account. This can be done via your device's settings.
Rooting an Android device will provide more benefits such as superuser privileges which can be used to get free apps or inApp purchases or can be used to do things like remote into a computer or take screen recordings of your device. Whether or not you believe it is good is a matter of opinion but depending on your actual android device it will have its advantages and disadvantages.
That depends on the DEVICE you are running Android on. It would be the screen size of the device.
Jailbreaking is the term used when cracking an iOS Device while Rooting is the term used for cracking an Android Device.
Well, the first manufacturer to use Android is "HTC" , HTC dream was the first official device to run Android on 22nd October 2008.
It's a Twitter app that you can use on an android device.
Usually, in order to update your device from one version of Android to another, you must receive an update from your carrier or the device's manufacturer.
An ADB is otherwise known as a Android Debug Bridge. It is used by programmers to send communications from your Android device to a computer or television.
An Android smartwatch wearer does need an Android device to fully utilize it. It will not operate on an iPhone.
You may be referring to Android's operating system, which is software that runs an Android device and the apps.