You could have downloaded QBlocks 1.03 for Mac from our software library for free. This Mac application is an intellectual property of nLinea Ltda. The software lies within Design & Photo Tools, more precisely Viewers & Editors.
From the developer:
QBlocks allows you to design resolution-independent graphics for your iOS or OSX projects. The program helps developers and graphic artists to achieve great results with no effort. It generates Objective-C code for iOS and OSX at run time. QB also generates graphic file formats for those who just need the graphical result.
You may want to check out more Mac applications, such as QBlocker, which might be similar to QBlocks.