I installed and tried launching the app but it kept crashing. Restarted and it didn't do anything. I then installed Launcher and tried Customize again and it worked! I guess what I'm trying to say is that it's really buggy but with a little patience, it will work.
I'm glad you can hide icons again (especially this useless Stocks icon)
Running on 1.0.2 I saw an update for customize 1.18 so I updated. Turns out this version does not work on my firmware. When I clicked on the icon it would go to the spicychicken screen then straight back to the home screen. A few hours later I guess they caught on that it didn't work for people that have old firmware so they released Customize(old) 1.13 which I d/l and my customize works fine now except for 1 glitch. If I scroll down really fast in this app and pass my last app it either locks up or returns me to my home screen. If I go real slow and not pass the last app it works fine.