Default New UI concept Fusion Rom[Discussions]

Guys I am planning for a new UI for our magical device ,fully different from touchwiz based on cyanogenmod 10.2/11.we all know that samsung has stopped support for our device.So i want to have a new UI for our device to get best experience .I wanted to add some Useful bloatware apps like photo editors doucument viewers app sharers like super beam basic map engine good video players dropbox browsers liuke chrome .I dont want to extremely modd the ui bui a basic refreshments like new icon pack good lanchers a good dailer app new lockscreen etc.I want to add performance boosters like PURE PERFORMANCES X a camera app like FOCAL,I basically want to build a Aosp based rom which can compete with the touchwiz ui .(only compete not similar to it in any means).
So guys plese share your ideas with me and help me for this new concept .
If i helped you ,you know where the Thanks button is!