I am using Windows 7 and trying to find a right application to get advanced features of the "[Ken Burns effect]", like pan and zoom. Unfortunately Photostory version in Windows 7 is not able to get effects. I have access to Photoshop in other computer
Any software with keyframe support can do this. This answer provides a rough walkthrough of how you can accomplish the look you are describing with just keyframes and positioning/scale keyframes.