It was already debunked. A single french tabloid (not true journal) featured why graphene was used by criminals. It’s not the government that was specifically targetting it by all means it had.

I’m waiting for fluxer development personnaly

I don’t know about your specific use case, but sometimes, app not installed via play store don’t like it. You could try to install it via play store and see if that works.

Which Europeans need WhatsApp?