Lol I haven't seen anyone use emoticons in a while. As for the emoji problem I don't know if any mods but I do know that the s5 messaging app doesn't covert emoji to mms. Or you can just download another texting app.
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?