In B4A i was able to change a bitmap and add a number, before i used this bitmap for a marker.
In B4I i tried this code:
Dim Bitm As B4XBitmap = LoadBitmap(File.DirAssets,"Markerg.png")
    Cv.Initialize(Bitm)
    Cv.DrawCircle(25dip,39dip,14dip,Colors.DarkGray,True,0)
    Dim f As...