Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you're buying the best. Find out more about how we test. Apolosign 32-inch Smart Portable TV: 30-second reviewProducts that fuse technology to create something interesting aren’t a new concept, and with the advent of the Smart TV, most of us have one or more in our homes.But the Apolosign 32" Smart Portable TV takes the technology crossover idea to a whole different level, as it combines a 4K display, an Android 16 tablet and a battery backup into a single…