READY TO PUBLISH
If you want update your applications, but don't want to wipe out the local storage files, content, registration keys, etc. on your SD card, create a separate folder on the destination drive to receive those files.
...
Delete the files that you want to replace in their respective folder(s).
Copy or move the updated files to the correct folder. You can use scripts to move multiple files to the SD card folder, as shown in the example below.
The main zip file that you download can contain other zip files. So you could unzip the main file, and then do targeted unzips to replace selected files.
Example
To copy everything from an “Update” folder to a “Myapplication” folder, do the following:
...