Currently available in an invite-only form, One Today will make project discovery easy, as it will present users with a new initiative each day. Users can then use the app to donate $1 to that initiative. Some of the initial projects include teaching empathy, scholarships for students in Laos, Rhino protection, as well as tree-planting in Kenya.
When the app launches officially, it should be available for Android, iOS, Windows Phone and BlackBerry, but for now it'll be accessible to Android users only.
You can request an invitation here!
source: Google via SlashGear