As one of my professors sad , I learned to write you need to learn to read, even between the lines.
not to be unpleasant,here the solution. I did not get any reply on my question here therefore I wrote an email to the producer and got following email which gave also the solution .
We are merging the Cetus3D app into Up Studio App of Tiertime now. May be you can try UP studio app.
I have installed the Up Studio app and wait few day and now it works properly!
I have sent also a request to the IT guys that also the calibration tool should be available in the mobile app. It would be great ! Let’s see.