Abu Bakr As-Siddeeq r.a.admads.com
1.0 Varies with device
Abu bakr (r.a) the first friend of rasool (s.a.w), the first support to rasool (s.a.w) outside his family, one of the father in laws of the prophet (s.a.w) and the first khalifah of Islam! By Allah! Allah alone knows the greatness of the sahabas, and especially Abu bakr (r.a).
This app details a few reasons showing the unique virtues of Abu bakr (r.a), with references from authentic sources.