diff --git a/quark/CMakeLists.txt b/quark/CMakeLists.txt
index 373b9f9..e44359b 100644
--- a/quark/CMakeLists.txt
+++ b/quark/CMakeLists.txt
@@ -1,7 +1,7 @@
 project(quark CXX)
 
 add_library(quark SHARED
-	src/Test.cpp
+	src/quark/Application.cpp
 )
 
 target_include_directories(quark INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/src)
diff --git a/quark/src/Test.cpp b/quark/src/Test.cpp
deleted file mode 100644
index 4b120a3..0000000
--- a/quark/src/Test.cpp
+++ /dev/null
@@ -1,8 +0,0 @@
-#include "Test.hpp"
-#include <cstdio>
-
-namespace quark {
-	void Print() {
-		printf("Hello, quark!\n");
-	}
-}
diff --git a/quark/src/Test.hpp b/quark/src/Test.hpp
deleted file mode 100644
index d691623..0000000
--- a/quark/src/Test.hpp
+++ /dev/null
@@ -1,5 +0,0 @@
-#pragma once
-
-namespace quark {
-	void Print();
-}
diff --git a/quark/src/quark.hpp b/quark/src/quark.hpp
new file mode 100644
index 0000000..81474fc
--- /dev/null
+++ b/quark/src/quark.hpp
@@ -0,0 +1,7 @@
+#pragma once
+
+// IWYU pragma: begin_exports
+#include "quark/Application.hpp"
+
+#include "quark/Entrypoint.hpp"
+// IWYU pragma: end_exports
diff --git a/quark/src/quark/Application.cpp b/quark/src/quark/Application.cpp
new file mode 100644
index 0000000..e88a96b
--- /dev/null
+++ b/quark/src/quark/Application.cpp
@@ -0,0 +1,11 @@
+#include "Application.hpp"
+
+namespace qk {
+
+	void Application::Run() const {
+		for(;;) {
+			
+		}
+	}
+
+}
diff --git a/quark/src/quark/Application.hpp b/quark/src/quark/Application.hpp
new file mode 100644
index 0000000..cc9736f
--- /dev/null
+++ b/quark/src/quark/Application.hpp
@@ -0,0 +1,16 @@
+#pragma once
+// IWYU pragma: private, include <quark.hpp>
+
+#include <memory>
+namespace qk {
+
+	class Application {
+	public:
+		virtual ~Application() {}
+
+		void Run() const;
+	};
+
+	std::unique_ptr<qk::Application> CreateApplication();
+
+}
diff --git a/quark/src/quark/Entrypoint.hpp b/quark/src/quark/Entrypoint.hpp
new file mode 100644
index 0000000..63cbcda
--- /dev/null
+++ b/quark/src/quark/Entrypoint.hpp
@@ -0,0 +1,13 @@
+#pragma once
+// IWYU pragma: private, include <quark.hpp>
+
+#include "Application.hpp"
+
+extern std::unique_ptr<qk::Application> qk::CreateApplication();
+
+int main(int argc, char** argv) {
+	auto application = qk::CreateApplication();
+	application->Run();
+
+	return 0;
+}
diff --git a/sandbox/src/Application.cpp b/sandbox/src/Application.cpp
index 2f4555a..eee34f3 100644
--- a/sandbox/src/Application.cpp
+++ b/sandbox/src/Application.cpp
@@ -1,5 +1,13 @@
-#include "Test.hpp"
+#include <memory>
+#include <quark.hpp>
 
-int main(int argc, char** argv) {
-	quark::Print();
+class Sandbox :
+	public qk::Application
+{
+public:
+	
+};
+
+std::unique_ptr<qk::Application> qk::CreateApplication() {
+	return std::make_unique<Sandbox>();
 }