How to finish kitchen wall for painting?

[atmatic]

Hi all, i hope someone can shed light regarding render finishing of the kitchen wall.

 

Here in WA, based on research, we use hardwall/lime plaster after concrete render.

My question is that, are there other alternatives i can use prior to painting?

Concerned about the curing time, as apparently, above is 4-6 weeks?

Is there anyway to fast track that, or are there other alternative? Currently comparing Davco Render or Dunlop Acylic Render as both curing times are only 7days?

Thank you all.