Are you tapping on "SAVE" button in the below screen and unable to move forward?
We are sorry for the trouble, you can quickly fix it.
1) Select a room size. Even if you want to select "MEDIUM", tap on it again.
2) You will be asked to select the age of your house. Please select that.
3) Lastly, you will be asked to select the number of pets in your house.
4) The SAVE button will be enabled on this screen. Click on it and your device will initiate cleaning based on the parameters provided.