diff --git a/Decor.cs b/Decor.cs
index 15b7b44..2d236d7 100644
--- a/Decor.cs
+++ b/Decor.cs
@@ -4318,7 +4318,7 @@ namespace WindowsPhoneSpeedyBlupi
                     m_blupiSuspend = false;
                     m_blupiAir = true;
                     m_blupiAction = 5;
-                    end.Y = end.Y;
+                    end.Y = end.Y;//Todo : check : Assignment made to same variable; did you mean to assign something else?
                     m_blupiVitesseY = 0.0;
                     m_blupiNoBarre = 5;
                     m_blupiActionOuf = 65;
diff --git a/Game1.cs b/Game1.cs
index 094c3bd..d84850d 100644
--- a/Game1.cs
+++ b/Game1.cs
@@ -2,7 +2,7 @@
 // WindowsPhoneSpeedyBlupi.Game1
 using System;
 using Microsoft.Xna.Framework;
-using Microsoft.Xna.Framework.GamerServices;
+//using Microsoft.Xna.Framework.GamerServices;//todo remove me
 using Microsoft.Xna.Framework.Input;
 using Microsoft.Xna.Framework.Media;
 using WindowsPhoneSpeedyBlupi;
@@ -97,6 +97,7 @@ namespace WindowsPhoneSpeedyBlupi
 
         public Game1()
         {
+            Exiting += OnExiting;
             graphics = new GraphicsDeviceManager(this);
             graphics.IsFullScreen = true;
             base.Content.RootDirectory = "Content";
@@ -157,10 +158,9 @@ namespace WindowsPhoneSpeedyBlupi
             base.OnActivated(sender, args);
         }
 
-        protected override void OnExiting(object sender, EventArgs args)
+        protected void OnExiting(object sender, EventArgs args)
         {
             decor.CurrentDelete();
-            base.OnExiting(sender, args);
         }
 
         protected override void Update(GameTime gameTime)
@@ -292,7 +292,7 @@ namespace WindowsPhoneSpeedyBlupi
                     return;
                 case Def.ButtonGlygh.InitBuy:
                 case Def.ButtonGlygh.TrialBuy:
-                    Guide.ShowMarketplace(PlayerIndex.One);
+                    MarketPlace.Show(PlayerIndex.One);
                     SetPhase(Def.Phase.Init);
                     return;
                 case Def.ButtonGlygh.InitRanking:
@@ -918,7 +918,7 @@ namespace WindowsPhoneSpeedyBlupi
             fadeOutPhase = Def.Phase.None;
             inputPad.Phase = this.phase;
             playSetup = this.phase == Def.Phase.PlaySetup;
-            isTrialMode = Guide.IsTrialMode;
+            isTrialMode = TrialMode.IsTrialModeEnabled();
             phaseTime = 0;
             missionToStart2 = -1;
             decor.StopSound();
diff --git a/MarketPlace.cs b/MarketPlace.cs
new file mode 100644
index 0000000..bdf362e
--- /dev/null
+++ b/MarketPlace.cs
@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.Xna.Framework;
+
+namespace WindowsPhoneSpeedyBlupi
+{
+    public class MarketPlace
+    {
+        public static void Show(PlayerIndex playerIndex)
+        {
+            //Guide.ShowMarketplace(PlayerIndex.One);
+            Debug.Write("The Market Place should be shown.");
+        }
+    }
+}
diff --git a/AssemblyInfo.cs b/Properties/AssemblyInfo.cs
similarity index 91%
rename from AssemblyInfo.cs
rename to Properties/AssemblyInfo.cs
index 880cfa2..7b1a1af 100644
--- a/AssemblyInfo.cs
+++ b/Properties/AssemblyInfo.cs
@@ -6,8 +6,8 @@ using System.Resources;
 // General Information about an assembly is controlled through the following 
 // set of attributes. Change these attribute values to modify the information
 // associated with an assembly.
-[assembly: AssemblyTitle("Speedy Blupi")]
-[assembly: AssemblyProduct("Speedy Blupi")]
+//[assembly: AssemblyTitle("Speedy Blupi")]
+//[assembly: AssemblyProduct("Speedy Blupi")]
 [assembly: AssemblyDescription("")]
 [assembly: AssemblyCompany("Dada Games")]
 [assembly: AssemblyCopyright("Copyright © 2013")]
@@ -16,7 +16,7 @@ using System.Resources;
 [assembly: NeutralResourcesLanguage("en-US")]
 
 // Configuration
-[assembly: AssemblyConfiguration("")]
+//[assembly: AssemblyConfiguration("")]
 [assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
 [assembly: CompilationRelaxations(8)]
 
diff --git a/Speedy Blupi.csproj b/Speedy Blupi.csproj
index 530a5c5..b710b01 100644
--- a/Speedy Blupi.csproj	
+++ b/Speedy Blupi.csproj	
@@ -10,6 +10,10 @@
     <ApplicationManifest>app.manifest</ApplicationManifest>
     <ApplicationIcon>icon.ico</ApplicationIcon>
   </PropertyGroup>
+<PropertyGroup>
+    <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+</PropertyGroup>
+
   <ItemGroup>
     <None Remove="icon.ico" />
     <None Remove="icon.bmp" />
diff --git a/TrialMode.cs b/TrialMode.cs
new file mode 100644
index 0000000..b423f70
--- /dev/null
+++ b/TrialMode.cs
@@ -0,0 +1,70 @@
+using System;
+using System.IO;
+
+namespace WindowsPhoneSpeedyBlupi
+{
+    public class TrialMode
+    {
+        private static DateTime trialStartTime;
+
+        public static void InitializeTrialMode()
+        {
+            // Assuming trial mode starts when the game is launched
+            trialStartTime = DateTime.Now;
+        }
+
+        public static Boolean IsTrialModeExpired()
+        {
+            return IsTrialMode7DaysLimitExpired() || IsTrialMode10MinutesLimitExpired();
+        }
+        private static bool IsTrialMode10MinutesLimitExpired()
+        {
+            // Example: Trial expires after 10 minutes
+            var expired = (DateTime.Now - trialStartTime).TotalMinutes > 10;
+            return expired;
+        }
+        private static bool IsTrialMode7DaysLimitExpired()
+        {
+            // Save trial expiration status to a file or settings
+            const string TRIAL_END_TIME_TXT = "trialEndTime.txt";
+            var trialEndTime = File.Exists(TRIAL_END_TIME_TXT) ? DateTime.Parse(File.ReadAllText(TRIAL_END_TIME_TXT)) : DateTime.MinValue;
+
+            var expired = trialEndTime != DateTime.MinValue && DateTime.Now > trialEndTime;
+            if (expired)
+            {
+                return true;  // Trial period is over
+            }
+
+            // Example of setting trial end time (e.g., 7 days from now)
+            if (!File.Exists(TRIAL_END_TIME_TXT))
+            {
+                File.WriteAllText(TRIAL_END_TIME_TXT, DateTime.Now.AddDays(7).ToString());
+            }
+
+            return false;  // Trial period still active
+        }
+        private static int trialModeEnabled = -1;
+        public static bool IsTrialModeEnabled()
+        {
+            if(trialModeEnabled == 1)
+            {
+                return true;
+            }
+
+            if (trialModeEnabled == 0)
+            {
+                return false;
+            }
+            
+            const string TRIAL_MODE_ENABLED_TXT = "trialModeEnabled.txt";
+            var trialModeEnabledString = File.Exists(TRIAL_MODE_ENABLED_TXT) ? File.ReadAllText(TRIAL_MODE_ENABLED_TXT) : "0";
+            var trialModeEnabledLocal = trialModeEnabledString.Equals("1");
+            trialModeEnabled = trialModeEnabledLocal ? 1 : 0;
+
+            return trialModeEnabledLocal;
+        }
+
+
+    }
+
+}
\ No newline at end of file