diff --git a/c/README.md b/c/README.md
index 010485a..1adbbd1 100644
--- a/c/README.md
+++ b/c/README.md
@@ -2,6 +2,8 @@
 
 These demos show how to use the GDNative C bindings.
 
+Language: [GDNative C](https://docs.godotengine.org/en/latest/tutorials/scripting/gdnative/index.html)
+
 Dependencies:
  * You need [Godot headers](https://github.com/godotengine/godot-headers),
    this is now a Git submodule of this repo.
diff --git a/c/glfw/README.md b/c/glfw/README.md
index 9052ab2..e9e1fad 100644
--- a/c/glfw/README.md
+++ b/c/glfw/README.md
@@ -3,6 +3,10 @@
 This is a small example using C to create a GDNative script that
 exposes a very small part of the GLFW API.
 
+Language: [GDNative C](https://docs.godotengine.org/en/latest/tutorials/scripting/gdnative/index.html)
+
+Renderer: GLES 2
+
 Dependencies:
  * You need [Godot headers](https://github.com/godotengine/godot-headers),
    this is now a Git submodule of this repo.
@@ -20,7 +24,6 @@ scons platform=PLATFORM
 
 Where PLATFORM is: `windows`, `linuxbsd`, or `macos`.
 
-
 ## Manually compiling
 
 ### Linux
diff --git a/c/instance_binding/README.md b/c/instance_binding/README.md
index d43581a..8eee5e4 100644
--- a/c/instance_binding/README.md
+++ b/c/instance_binding/README.md
@@ -1,5 +1,9 @@
 # Instance binding demo using C
 
+Language: [GDNative C](https://docs.godotengine.org/en/latest/tutorials/scripting/gdnative/index.html)
+
+Renderer: GLES 2
+
 Dependencies:
  * You need [Godot headers](https://github.com/godotengine/godot-headers),
    this is now a Git submodule of this repo.
@@ -14,7 +18,6 @@ scons platform=PLATFORM
 
 Where PLATFORM is: `windows`, `linuxbsd`, or `macos`.
 
-
 ## Manually compiling
 
 ### Linux
diff --git a/c/simple/README.md b/c/simple/README.md
index 5d2120b..b983e97 100644
--- a/c/simple/README.md
+++ b/c/simple/README.md
@@ -3,6 +3,10 @@
 This is a small example using C to create a GDNative script
 that just showcases some very simple bare bones calls.
 
+Language: [GDNative C](https://docs.godotengine.org/en/latest/tutorials/scripting/gdnative/index.html)
+
+Renderer: GLES 2
+
 Dependencies:
  * You need [Godot headers](https://github.com/godotengine/godot-headers),
    this is now a Git submodule of this repo.
@@ -17,7 +21,6 @@ scons platform=PLATFORM
 
 Where PLATFORM is: `windows`, `linuxbsd`, or `macos`.
 
-
 ## Manually compiling
 
 ### Linux
diff --git a/cpp/README.md b/cpp/README.md
index ed23228..59f9bc3 100644
--- a/cpp/README.md
+++ b/cpp/README.md
@@ -2,6 +2,8 @@
 
 These demos show how to use the GDNative C++ bindings.
 
+Language: [GDNative C++](https://docs.godotengine.org/en/latest/tutorials/scripting/gdnative/index.html)
+
 Dependencies:
  * You need [godot-cpp](https://github.com/godotengine/godot-cpp),
    this is now a Git submodule of this repo.
diff --git a/cpp/dodge_the_creeps/README.md b/cpp/dodge_the_creeps/README.md
index 41dfd6f..54bc3b6 100644
--- a/cpp/dodge_the_creeps/README.md
+++ b/cpp/dodge_the_creeps/README.md
@@ -8,7 +8,7 @@ This is a finished version of the game featured in the
 tutorial in the documentation. For more details,
 consider following the tutorial in the documentation.
 
-Language: GDScript
+Language: [GDNative C++](https://docs.godotengine.org/en/latest/tutorials/scripting/gdnative/index.html)
 
 Renderer: GLES 3 (particles are not available in GLES 2)
 
@@ -26,7 +26,7 @@ scons platform=PLATFORM
 
 Where PLATFORM is: `windows`, `linux`, or `osx`.
 
-This creates the file `libsimple` in the respective
+This creates the file `libdodgethecreeps` in the respective
 subfolders in the `project/gdnative` directory.
 
 Dependencies:
diff --git a/cpp/dodge_the_creeps/godot-cpp b/cpp/dodge_the_creeps/godot-cpp
new file mode 160000
index 0000000..e08ecdc
--- /dev/null
+++ b/cpp/dodge_the_creeps/godot-cpp
@@ -0,0 +1 @@
+Subproject commit e08ecdc28c5409cb5366027227e996c342dcee93
diff --git a/cpp/dodge_the_creeps/src/player.cpp b/cpp/dodge_the_creeps/src/player.cpp
index fb6ab0c..084cf1d 100644
--- a/cpp/dodge_the_creeps/src/player.cpp
+++ b/cpp/dodge_the_creeps/src/player.cpp
@@ -1,20 +1,18 @@
 #include "player.hpp"
 
-#include <Input.hpp>
-
 void Player::_ready() {
 	_animated_sprite = get_node<godot::AnimatedSprite>("AnimatedSprite");
 	_collision_shape = get_node<godot::CollisionShape2D>("CollisionShape2D");
+	_input = godot::Input::get_singleton();
 	_screen_size = get_viewport_rect().size;
 	hide();
 }
 
 void Player::_process(const double p_delta) {
-	godot::Input *input = godot::Input::get_singleton();
 	godot::Vector2 velocity(0, 0);
 
-	velocity.x = input->get_action_strength("move_right") - input->get_action_strength("move_left");
-	velocity.y = input->get_action_strength("move_down") - input->get_action_strength("move_up");
+	velocity.x = _input->get_action_strength("move_right") - _input->get_action_strength("move_left");
+	velocity.y = _input->get_action_strength("move_down") - _input->get_action_strength("move_up");
 
 	if (velocity.length() > 0) {
 		velocity = velocity.normalized() * speed;
diff --git a/cpp/dodge_the_creeps/src/player.hpp b/cpp/dodge_the_creeps/src/player.hpp
index 5baf68c..b046c75 100644
--- a/cpp/dodge_the_creeps/src/player.hpp
+++ b/cpp/dodge_the_creeps/src/player.hpp
@@ -5,12 +5,14 @@
 #include <Area2D.hpp>
 #include <CollisionShape2D.hpp>
 #include <Godot.hpp>
+#include <Input.hpp>
 
 class Player : public godot::Area2D {
 	GODOT_CLASS(Player, godot::Area2D)
 
 	godot::AnimatedSprite *_animated_sprite;
 	godot::CollisionShape2D *_collision_shape;
+	godot::Input *_input;
 	godot::Vector2 _screen_size; // Size of the game window.
 
 public:
diff --git a/cpp/pong/README.md b/cpp/pong/README.md
index c409c10..bd97bfa 100644
--- a/cpp/pong/README.md
+++ b/cpp/pong/README.md
@@ -4,7 +4,7 @@ A simple Pong game, made with GDNative C++. This demo shows best practices
 for game development in Godot, including
 [signals](https://docs.godotengine.org/en/latest/getting_started/step_by_step/signals.html).
 
-Language: C++
+Language: [GDNative C++](https://docs.godotengine.org/en/latest/tutorials/scripting/gdnative/index.html)
 
 Renderer: GLES 2
 
@@ -24,7 +24,7 @@ scons platform=PLATFORM
 
 Where PLATFORM is: `windows`, `linux`, or `osx`.
 
-This creates the file `libsimple` in the respective
+This creates the file `libpong` in the respective
 subfolders in the `project/gdnative` directory.
 
 Dependencies:
diff --git a/cpp/pong/godot-cpp b/cpp/pong/godot-cpp
new file mode 160000
index 0000000..e08ecdc
--- /dev/null
+++ b/cpp/pong/godot-cpp
@@ -0,0 +1 @@
+Subproject commit e08ecdc28c5409cb5366027227e996c342dcee93
diff --git a/cpp/simple/README.md b/cpp/simple/README.md
index b73c85c..fa7d830 100644
--- a/cpp/simple/README.md
+++ b/cpp/simple/README.md
@@ -3,7 +3,7 @@
 This is a small example using C++ to create a GDNative script
 that just showcases some very simple bare bones calls.
 
-Language: C++
+Language: [GDNative C++](https://docs.godotengine.org/en/latest/tutorials/scripting/gdnative/index.html)
 
 Renderer: GLES 2
 
diff --git a/cpp/simple/godot-cpp b/cpp/simple/godot-cpp
new file mode 160000
index 0000000..e08ecdc
--- /dev/null
+++ b/cpp/simple/godot-cpp
@@ -0,0 +1 @@
+Subproject commit e08ecdc28c5409cb5366027227e996c342dcee93