Here is a fancy gadget that turns your Android device into an infrared thermal imaging camera. The Hti-Xintai HT-301 is compatible with Micro USB and USB-C smartphones. It comes with quick adjust focus technology with IR resolution of 384 x 288p. It can capture videos in real-time with 25hz.
This thermal imager for Android has a rotating lens for focus adjustment. It has a temperature detection range of -20C to 400C.
[where to get it]