Clock, e.g. (9)
(Other definitions for timepiece that I've seen before include "Clock, for example" , "Chronometer" , "hunter, perhaps" , "non-striker?" , "Watch, say" .)
(Other definitions for app that I've seen before include "Software for mobile devices, in short" , "Program for a smart phone, in short" , "Software program for a mobile device" , "Software item" , "bit of software" .)