Final Obsevation
Edit of post function is working if post has been created by esteem v2 2.0.6 (latest release). I checked it on my new post which was created by me yesterday.
Yesterday i updated esteem v2 and tried to edit my old post using v2 2.0.6 which was created using esteem v2 first release but I can only add some new word on that and couldn't remove any words which was looking weird.
RE: eSteem Mobile 2.0.6 update brings Leaderboard, Drafts