1) The document discusses essential tools for developing Windows and Windows Phone apps as a beginner, including Windows App Studio which allows creating apps without coding, and Visual Studio which allows editing code and previewing apps on emulators.
2) It recommends resources for continuing to develop apps such as Channel 9 for learning about Windows Phone, Microsoft Virtual Academy for courses, and community support on Twitter and the Microsoft Dev Center.
3) Developers can earn rewards through the DVLUP program by completing challenges to improve their skills and apps.