Use Symbol Pad to insert proper typographic characters, such as “quotation marks”, or simply use it to spice up your e-mail messages, tweets, or text messages with snowmen or arrows.
The character is copied to your clipboard immediately when touched, so you can easily launch the application, touch the character you want, exit and paste your clipboard into any application!
[+] iOS 11 Compatible
Unicode Converter 
New Emoji Sticker - Extra Emoticons and Icons 