Learning a new language feels difficult to everybody. The main reason is that you unconsciously compare your acquired knowledge with its equivalent in your native language.
Generally developers connect their Android devices to their development system or computer via a USB cable in order to install/debug applications and for other purposes of course. However, you can also perform all these by connecting your device via a common Wi-Fi network.
One New Skill. Every Year - If you can't manage to add at least one new skill in your resume every year, then you're out of competition.
Google has released the Android Wear Developer Preview, which includes tools and APIs that allow developers to enhance their app notifications to provide an optimized user experience on Android wearable devices. The drawback is that preview is compatible with Android 4.3 and higher and is also not available for the Android emulator. This is a problem for developers who don't have a device running Android 4.3 or higher. However, with Genymotion you can overcome this problem and start to test the notifications on the Android Wear emulator.