Thanks, nice start, I'd like to see more "reason why" for the icon, which could be time, compatibility with all devices (so putting many things would help" or ease of use... you might want to check the laws of simplicity by John Maeda... Law 1, 3 or 2: http://lawsofsimplicity.com/category/laws?order=ASC
The one I like the most of your latest proposals is #109... (we'd like to have 1minapp in fact horizontal to be read more easily) which is clean (yellow white and gray is nice) well executed... even though I feel it still not strong enough compared to other proposals...