Re: but it fires off before you had a chance to check if the date and time are cirrect.
Umm... not true, at least I can't reproduce.
Please see the attached screenshot -- at this point, I've already selected the time (both hours and minutes), and it hasn't fired.
I will need to tap OK to complete the sequence.
Re: I have literally tried at least 15 top Android apps there is
Wow, so many mail apps these days...
Unnecessary all of them except Gmail and K9