I was looking for something along these lines myself (I need a reminder to do some stretches my physical therapist recommended every 3 hours) and eventually figured out the magic Google string: 'medicine reminder app android'. There are several apps designed to remind people to take their medicines; not exactly my situation but close enough. A couple of recent reviews at 3 Free Android Apps That Help To Remind You To Take Pills On Time and There's an App for That! A Review of Medication Reminders - 22-Mar-12: InfoSheets and Tools Pharmacy tips article: contact Ying Tang Ng. I haven't tried any yet but I'm going to start with AnyTimer.