BlObDe (Blind Object Detection )

hello to you all, i need an android application that doing the following : 1- open the camera. 2- detect any geometric object in front of the mobile camera and calculate the distance 3- the application will speak the distance and the object name (square, triangle , cylinder , ...etc ). 4- the application should be launched with a voice control from anywhere(like go Google). also the following must be provided: 1- A demo with at least one function before awarding the project. 2- the full source code and it must be well commented. 3- a documentation about the application and main functions in it. please, bid if you have made something similar and write in your proposal a small description about your experience in that topic. Note: if you can provide a previous work example that would be a plus. the budget will be 220 $ so please , do not bid if you will ask for more.