Nuke will leave not only big crater after explosion, it also will set things on fire, like some kind of napalm, making the destructions even more dramatic.
Nuke Creeper is an improved version of regular mob with slightly bigger explosion, Radiation suit is just retextured Gold armor.
How to install addons:
- Download addon straight from your device
- Find and open .mcpack or .mcworld files that you download earlier
- Click it to import into Minecraft Pocket Edition
- Open the game
- Create a new world or edit an existing world
- Scroll down to Add-ons section and select the ones you want to apply
Reason: Nuke Creeper has been redesigned, added a version for Low-end devices.