Tools that everyone should know about to make themes. Here is some that I use. Feel free to add to the list. 7-zip - 7-Zip Great tools for opening .apks and extracting them with out changing the extension. ADB - See Android SDK Apk Manager - Apk Manager 4.9 - Makes Modifying Ur Apk A Breeze (Windows/Linux) - xda-developers thanks to Rola, I love this tool. All in one for decompile, compile, sigin, and pushing to the phone. apktool.jar - Downloads - android-apktool - Project Hosting on Google Code If you using windows you need the top two downloads. axmlprinter2.jar - AXMLPrinter2.jar - android4me - Prints XML document from binary XML file (with correct namespace handing & attribute formatting). - Project Hosting on Google Code= There is a GUI format as well here Android XML Decompiler - Android @ MoDaCo Android SDK - Android SDK | Android Developers Many useful tools within this package. Colorchangev3.jar - http://forum.xda-developers.com/showthread.php?t=535630 used for changing notification text (clock, date, ticker and so on ) HxD - Downloads | mh-nexus Useful for doing hex edits if you can't get apktool.jar to work. draw9patch.bat - In the tools folder of the Android SDK. Eclipse - http://www.eclipse.org/downloads/ Download eclipse classic. xUltimate tools - http://www.droidforums.net/forum/xeudoxus/47283-release-xultimate.html Awesome tools by X. Change "M" logo - http://www.droidforums.net/forum/dr...m-bootloader-logos-replace-motorola-logo.html , Just wanted to add this in case people wanted to make one to go with there theme. Again this is just a list of tools used for theming.