Travel Troubleshooter Daniel Oppliger navigated airports, dealt with language barriers and made it to his hotel in Lushui, China — only to be stumped by the TV remote at the Hilton Garden Inn. “I couldn’t figure out how to work the television,” he says. “I had to ask the concierge to help me.” Welcome to the age of smart hotel room syndrome — when technology designed to simplify stays actually makes them more complicated.  This isn’t a glitch: 52% of hotels now offer tech walk-throughs at check-in where an employee explains how to use all the gadgets, according to a recent survey by Hotels.com . In other words, more than half of hotels have basically admitted their rooms are so complicated that guests need a tutorial just to operate basic functions. It’s not just inexperienced guests who need help. Oppliger is a frequent traveler, who runs a travel agency in El Paso, Texas.  Or how about Mircea Dima, a frequent hotel guest and the CEO of an educational company that specializes in coding .…