By JR Raphael Your smartphone is a powerful computer in your pocket — and with Android, part of that PC-like muscle means being able to plug your phone into any Windows, Mac, or ChromeOS system and then drag and drop files either way. Unlike iPhones, Android devices allow you to access their file systems directly from a desktop, without the need for any cumbersome interfaces or complicated procedures. In fact, transferring files to or from an Android device is basically no different than plugging an external hard drive into your computer and moving data to or from it. All you need is your phon…