You just had ThaiPusan festival,the temple is 5mins walk from your ClarkQuey - how did you like it?Have you made a lot of pictures?
There is nice walk from ClarkQuey to Zouk Club complex:
you have to cross pedestrian bridge on the way through some back alleys,try to find it,Zouk is
great club,in Clark - try Crazy Elephant.For food go to food center in ION - big and civilised,if you are adventurous - walk to TiongBahru and try food there in local hawkers center,TiongBahru is traditional chinese enclave,you may like place there where they display cageswith singing birds?;
Easy to find for you is foodcenter in the basement of Novotel Hotel(yours hotel?) or opposite on the other side of river.Plenty of choices - did you find PeoplesPark?
You should take ride by MRT to one of residential HDB centers,for instance - go to ToaPayo or AngMoKio and you will see how local people live,you can eat there,make shopping(low prices).
On sunday they have concerts in Botanical Garden in afternoon - beautiful event,Bot.Garden - must place to see,as well as Zoo,BirdPark,Sentoza.
EastCoast Park with beach is nice for afternoon,river trip by boat- very easy for you?
you will not have enough time to try half of it.