This app requires linquet devices and android version 4. 4. You can get your Linquets from www. Linquet. Com. "Intellectuals solve problems, geniuses 'prevent' them" - Albert Einstein. Prevent the loss or theft of your phone and valuables and NEVER LOSE ANYTHING AGAIN! We all lose or misplace our phone, keys, bag, tablet, pet, wallet, purse, laptop, etc.