Spain Develops New âSmart Maskâ App Spain Develops New âSmart Maskâ App Credit: Pixabay Spain develops a new âSmart Maskâ app that tells you when it needs changing. MASKS have become a normal part of everyday life here in Spain, something we simply canât leave home without, and it would seem more than likely that they will be around for the foreseeable future. There are now several varieties of face shields on the market, all with different shelf lives, and Spain in particular has imposed stringent regulations on this vital piece of kit. The biggest issue with face masks, according to the experts, is that most of us end up wearing them for far too long, meaning they lose their effectiveness and provide less control against coronavirus.