diff -r 5a2901872fcf -r a05c6e5cc7d9 org.symbian.tools.mtw.core/src/org/symbian/tools/tmw/core/projects/ITMWProject.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.symbian.tools.mtw.core/src/org/symbian/tools/tmw/core/projects/ITMWProject.java	Thu Aug 19 16:13:44 2010 -0700
@@ -0,0 +1,54 @@
+/**
+ * Copyright (c) 2010 Symbian Foundation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of the License "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Symbian Foundation - initial contribution.
+ * Contributors:
+ * Description:
+ * Overview:
+ * Details:
+ * Platforms/Drives/Compatibility:
+ * Assumptions/Requirement/Pre-requisites:
+ * Failures and causes:
+ */
+package org.symbian.tools.tmw.core.projects;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.symbian.tools.tmw.core.runtimes.IMobileWebRuntime;
+
+public interface ITMWProject {
+    /**
+     * @return primary target runtime of this project.
+     */
+    IMobileWebRuntime getTargetRuntime();
+
+    /**
+     * @return workspace project that back this MTW project.
+     */
+    IProject getProject();
+
+    /**
+     * @return symbolic MTW project name.
+     */
+    String getName();
+
+    /**
+     * Validate project configuration and contents.
+     * 
+     * @return <code>true</code> if the project has no errors. Warnings do not count.
+     */
+    boolean validate(IProgressMonitor monitor);
+
+    /**
+     * Return preferred screen size for the project.
+     * 
+     * @return string like "240x320"
+     */
+    String getPreferredScreenSize();
+}