I've been doing this for a bit now.   If my mobile applications encounter any kind of error,  be it in program code,  or some unforeseen problem  I make my mobile applications send me an email.

I do this, by calling a web-service, which means I don't have to open any other ports for SMTP mail or such like.   Happy to share source, for anyone that's interested -

Here's a sample email -

Errors from JDE = Error: Item Not In Receipt Location (BWYWPH, BWYVACREC) (9999) Input Parameters = Lot = 12225959,Location = BWYVACREC,Quantity On Hand = 52