Move solution and projects to src

src/Ryujinx.HLE/HOS/Applets/PlayerSelect/PlayerSelectApplet.cs

@@ -0,0 +1,58 @@
+using Ryujinx.Common.Memory;
+using Ryujinx.HLE.HOS.Services.Account.Acc;
+using Ryujinx.HLE.HOS.Services.Am.AppletAE;
+using System;
+using System.IO;
+
+namespace Ryujinx.HLE.HOS.Applets
+{
+    internal class PlayerSelectApplet : IApplet
+    {
+        private Horizon _system;
+
+        private AppletSession _normalSession;
+        private AppletSession _interactiveSession;
+
+        public event EventHandler AppletStateChanged;
+
+        public PlayerSelectApplet(Horizon system)
+        {
+            _system = system;
+        }
+
+        public ResultCode Start(AppletSession normalSession, AppletSession interactiveSession)
+        {
+            _normalSession      = normalSession;
+            _interactiveSession = interactiveSession;
+
+            // TODO(jduncanator): Parse PlayerSelectConfig from input data
+            _normalSession.Push(BuildResponse());
+
+            AppletStateChanged?.Invoke(this, null);
+
+            _system.ReturnFocus();
+
+            return ResultCode.Success;
+        }
+
+        public ResultCode GetResult()
+        {
+            return ResultCode.Success;
+        }
+
+        private byte[] BuildResponse()
+        {
+            UserProfile currentUser = _system.AccountManager.LastOpenedUser;
+
+            using (MemoryStream stream = MemoryStreamManager.Shared.GetStream())
+            using (BinaryWriter writer = new BinaryWriter(stream))
+            {
+                writer.Write((ulong)PlayerSelectResult.Success);
+
+                currentUser.UserId.Write(writer);
+
+                return stream.ToArray();
+            }
+        }
+    }
+}