I got the solution...
Handle tile pragmatically in windows phone.
ShellTile tile = ShellTile.ActiveTiles.First();
if (null != tile)
{
// create a new data for tile
StandardTileData data = new StandardTileData();
tile foreground data
data.Title = "";
data.BackgroundImage = new Uri("/Assets/Tiles/IconicTileMediumLarge.png", UriKind.Relative);
data.Count = 0;
to make tile flip add data to background also
data.BackTitle = "Secret text here";
data.BackBackgroundImage = new Uri("/Images/Green.jpg", UriKind.Relative);
data.BackContent = "Back Content Text here...";
update tile
tile.Update(data);