The main thrust of the comments so far are negative, but in my opinion this was a great idea. Phones are personal devices. Plenty of time is spent on smoothly

The main thrust of the comments so far are negative, but in my opinion this was a great idea. Phones are personal devices. Plenty of time is spent on smoothly machined surfaces, wood cases, etc. A little biosphere is a beautiful idea, and likely cost a fraction of the overall project.