Style name: Smiley Pack
Style description: A custom smiley pack which includes all the smileys you see on Whatsapp or IOS. They are also arranged in more or less the same groups of official smilies.
Style version: 1.0.0
Tested on phpBB version: 3.2.1
Tested on Theme: prosilver
Download file: https://goo.gl/obq9rY
1. Extract all the content of zip to "/public_html/images"
2. ACP > Posting Tab > Smilies (In Messages Section) > Install smilies package > Select 'NewSmilies.pak'
3. Choose you choice to 'Keep all', 'Replace matches' or 'Delete all' form the options just below drop down menu.
4. Click Install smilies package.
Thanks to Tom Catullo to create a "http://www.tcatullo.com/smileypakgenerator/
I am no dev but I could manage to make a smile pack by using following link:
Feedback, suggestions are most welcome.