You should be able to get the final size to less than 100kb, I can't remember exactly what I ended up with using Proguard but I think it was 30-40kb. It should

You should be able to get the final size to less than 100kb, I can't remember exactly what I ended up with using Proguard but I think it was 30-40kb. It should manage to remove virtually all the Scala library code as hardly any of it would be used.