Hello guys. Galaxy Lab is new program same as Good Lock, with this you can optimise certain things like battery and storage. It is not released in all the countries yet. I am sharing the apps here so that it is easy for you to download and test it...
Just sharing the Samsung Galaxy Labs which is not available in every country.
I have made tutorial video for retail apk method by adfree.
here is the tutorial to install ECG and BP
Here is a new apk in good lock to create your own themes. This is very basic and easy theme creating application.