Why have app / voice controlled flashlights not really emerged yet?

[sb56637]

Believe it or not I think the first Bluetooth-controlled flashlight debuted at FastTech and was announced right here on BLF in 2013:

• FLEX Asgard @ Fasttech
• $59.00 FLEX Asgard 1052-Lumen Programmable Cree XM-L2 LED Flashlight - Bluetooth / XM-L2 T6-1C emitter / 3040mA max / 2*18650 / HA-II at FastTech - Worldwide Free Shipping