Custom changes in Unity3D casino app and fixing of bugs

One of our client's Casino Application (Windows, Android & iOS) this application has a client version (which work simultaneously on multiplayer devices) ~ This system has Admin/Distributor/Dealer panel for profit distribution of earned points. ~ Client version synchronize the data/results/countdown timer/remaining points every etc every minute from live server. ~ codeigniter help synchronize every client with server. We need an experienced developer who has experience of UNITY3D and codeigniter skills We have a system of Multiplayer Roulette in which: ~ We need to fix few bugs left in system in earlier development. ~ We need some parameters to be changed in database and script. ~ Sometimes System gets hanged at one stage sometimes so developer needs to find out and solve the reason for this cause. ~ This system do not run on 2G network, we need to fix this issue as well. ~ We need a background PING to keep Client version connected with server. ~ Need some changes in client version. ~ Need auto update client if a new release is uploaded on server. ~ Some other issues also needs to be fixed... which we can discuss in PM on freelancer. Only qualified developers should contact for this requirement. We wont entertain new developers. We may also award "monthly maintenance for this project" if we are fully satisfied with this basic work.