Droid Explorer app does not show hidden files
I am the developer of this Droid Explorer which does show hidden files.
If you are talking about this Droid Explorer (by Asif Wani) then I can't help you, as I have nothing to do with that app. I would suggest you contact the developer of that app. His contact info is at the bottom of the link I posted.
I am going to assume you mean the App for Android Devices, not my application that runs on Windows...
In the settings of that application, there is the option:

Now, is your device rooted? Because you will not be able to see files in the /data/apps/ or /data/data/ if you don't have root. Root requires more than just a &quot;root enabled&quot; file explorer. And it will show &quot;empty folders&quot; if you do not have access to view the files. This is the case with all file explorers, including the one that I am the developer for.