New aspect ratios, curved displays, and iris scanners—manufacturers have spent the past six months doing just about everything to make their phones stand out from the crowd. The unlocked Moto Z2 Play, on the other hand, builds on a concept Motorola established last year: It has a unique design that works with Moto Mods, useful modular back panels that bring new functionality. It also has snappy performance and great battery life, and it’s compatible with all major U.S. carriers. In addition, unlike the Z Droid, it even has a headphone jack. That makes the Z2 Play a great phone for anyone who’s sold on the modular build. Otherwise, the ZTE Axon 7 gets you a bit more power for less money. A SLIM, SMOOTH, FAMILIAR DESIGN Available in black, blue, gold, and gray, the Moto Z2 Play is largely the same phone as the Moto Z Droid and Play Droid in terms of design. The svelte device is ringed by a band of metal along the sides, with a set of clicky volume buttons and a ridged power button on