diff --git a/build.zig b/build.zig
index 93e8250..214a659 100644
--- a/build.zig
+++ b/build.zig
@@ -58,24 +58,12 @@ pub fn build(b: *Build) void {
     const feature_test_cart = add_cart(&dep, b, .{
         .name = "feature_test",
         .optimize = optimize,
-        .root_source_file = b.path("samples/feature_test.zig"),
+        .root_source_file = b.path("src/badge/feature_test.zig"),
     });
     feature_test_cart.install(b);
     const watch_run_step = feature_test_cart.install_with_watcher(&dep, b, .{});
 
-    //{
-    //    const cart = add_cart(&dep, b, .{
-    //        .name = "blobs",
-    //        .optimize = .ReleaseSmall,
-    //        .root_source_file = .{ .path = "samples/blobs/blobs.zig" },
-    //    });
-    //    cart.install(b);
-    //    b.step("watch-blobs", "Watch/run blobs in the simulator").dependOn(
-    //        &cart.install_with_watcher(&dep, b, .{}).step,
-    //    );
-    //}
-
-    const watch_step = b.step("watch", "");
+    const watch_step = b.step("feature-test", "");
     watch_step.dependOn(&watch_run_step.step);
 
     inline for (.{
diff --git a/docs/introduction/src/hello.zig b/docs/introduction/src/hello.zig
index 3200ab3..5cf0cdf 100644
--- a/docs/introduction/src/hello.zig
+++ b/docs/introduction/src/hello.zig
@@ -147,11 +147,11 @@ fn scene_game() void {
 fn set_background() void {
     const ratio = (4095 - @as(f32, @floatFromInt(cart.light_level.*))) / 4095 * 0.2;
 
-    @memset(cart.framebuffer, cart.DisplayColor{
+    @memset(@as(*volatile [cart.screen_width * cart.screen_height]cart.Pixel, @ptrCast(cart.framebuffer)), cart.Pixel.fromColor(.{
         .r = @intFromFloat(ratio * 31),
         .g = @intFromFloat(ratio * 63),
         .b = @intFromFloat(ratio * 31),
-    });
+    }));
 }
 
 fn check_win() bool {
diff --git a/samples/feature_test.zig b/src/badge/feature_test.zig
similarity index 99%
rename from samples/feature_test.zig
rename to src/badge/feature_test.zig
index 458fa2d..d221bb0 100644
--- a/samples/feature_test.zig
+++ b/src/badge/feature_test.zig
@@ -1,3 +1,5 @@
+//! Test all features at once!
+
 const std = @import("std");
 const cart = @import("cart-api");
 
diff --git a/src/cart/api.zig b/src/cart/api.zig
index da4a6fb..4e56e4f 100644
--- a/src/cart/api.zig
+++ b/src/cart/api.zig
@@ -51,9 +51,11 @@ pub const Pixel = extern struct {
     pub fn fromColor(color: DisplayColor) Pixel {
         return .{ .bits = @byteSwap(@as(u16, @bitCast(color))) };
     }
+
     pub fn toColor(pixel: Pixel) DisplayColor {
         return @bitCast(@byteSwap(pixel.bits));
     }
+
     pub fn setColor(pixel: *volatile Pixel, color: DisplayColor) void {
         pixel.* = fromColor(color);
     }