fix cross-play errors due to Android version format

Author: Pathoschild

docs/release-notes.md

@@ -4,6 +4,7 @@
 ## Upcoming release
 * For players:
   * Updated for Stardew Valley 1.6.15.
+  * Fixed mod communication errors when cross-playing between PC and Android.
 
 * For mod authors:
   * Improved [Content Patcher JSON schema](technical/web.md#using-a-schema-file-directly) to allow boolean and numeric values in dynamic tokens.

src/SMAPI/Framework/Networking/RemoteContextModel.cs

@@ -1,4 +1,6 @@
 using System;
+using Newtonsoft.Json;
+using StardewModdingAPI.Toolkit.Serialization.Converters;
 
 namespace StardewModdingAPI.Framework.Networking;
 
@@ -15,9 +17,11 @@ internal class RemoteContextModel
     public GamePlatform Platform { get; }
 
     /// <summary>The installed version of Stardew Valley.</summary>
+    [JsonConverter(typeof(NonStandardSemanticVersionConverter))] // versions from Android players may have a fourth number for the platform-specific build
     public ISemanticVersion? GameVersion { get; }
 
     /// <summary>The installed version of SMAPI.</summary>
+    [JsonConverter(typeof(NonStandardSemanticVersionConverter))]
     public ISemanticVersion? ApiVersion { get; }
 
     /// <summary>The installed mods.</summary>