Android follows normal java package conventions plus here is an important snippet of text to read (this is important regarding the wide use of xml files while developing on android).he concept comes from Package Naming Conventions in Java, more about which can be read here:*. http://en.wikipedia.org/wiki/Java_package#Package_naming_conventions. Source: http://www.quora.com/Why-do-a-majority-of-Android-package-names-begin-with-com.
Files that contain the .3ds file extension are most commonly associated with the Autodesk 3D Studio software.he 3DS files that are used by the software contain a variety of information used to form a three dimensional scene, like coordinates, list of polygons used to form the objects, color information etc.
What is a PSD file? The .psd file extension is given to files that have been created by the Adobe Photoshop computer application. The Adobe Photoshop application is a professional image-editing program that can create a variety of image elements such as layers and masks. When these files are created, they are saved with the .psd file extension. Adobe Photoshop is one of the most commonly-used image editing applications on the market and it is very popular among desktop publishers and image editors.