diff --git a/home/programs/ddcbacklight.nix b/home/programs/ddcbacklight.nix
index 6842bf86..769ee9e6 100644
--- a/home/programs/ddcbacklight.nix
+++ b/home/programs/ddcbacklight.nix
@@ -1,3 +1,8 @@
-{pkgs, ...}: {
-  home.packages = [pkgs.ddcbacklight];
+{
+  pkgs,
+  device,
+  lib,
+  ...
+}: {
+  home.packages = lib.optionals (device.name == "ryu") [pkgs.ddcbacklight];
 }
diff --git a/home/programs/default.nix b/home/programs/default.nix
index 70ad111b..1a04f7d9 100644
--- a/home/programs/default.nix
+++ b/home/programs/default.nix
@@ -15,10 +15,10 @@
     ./fzf.nix
     ./gh.nix
     ./git.nix
-    ./goread.nix
-    ./helix.nix
+    # ./goread.nix
+    # ./helix.nix
     ./mpd.nix
-    ./newsboat.nix
+    # ./newsboat.nix
     ./nh.nix
     ./nix-index.nix
     ./nushell.nix
@@ -29,10 +29,12 @@
     ./tuifeed.nix
     ./yazi.nix
     ./zoxide.nix
-    # ./mpris-scrobbler.nix
     ./omnix.nix
-    # ./ddcbacklight.nix
     ./yt-dlp.nix
+    ./ryujinx.nix
+    ./ddcbacklight.nix
+    # ./neovim.nix
+    # ./mpris-scrobbler.nix
     # ./magika.nix
     # ./ncmpcpp.nix
     # ./neomutt.nix
diff --git a/home/programs/ryujinx.nix b/home/programs/ryujinx.nix
new file mode 100644
index 00000000..556a3e95
--- /dev/null
+++ b/home/programs/ryujinx.nix
@@ -0,0 +1,10 @@
+{
+  lib,
+  pkgs,
+  device,
+  ...
+}: {
+  home.packages = lib.optionals (device.name == "ryu") [
+    pkgs.ryujinx
+  ];
+}
diff --git a/nixos/mirai/configuration.nix b/nixos/mirai/configuration.nix
index 35f7c2c3..9a480b61 100644
--- a/nixos/mirai/configuration.nix
+++ b/nixos/mirai/configuration.nix
@@ -34,10 +34,12 @@
       substituters = [
         "https://nix-community.cachix.org"
         # "https://sh.darksailor.dev"
+        "https://nixos-raspberrypi.cachix.org"
       ];
       trusted-public-keys = [
         "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
         # "mirai:bcVPoFGBZ0i7JAKMXIqLj2GY3CulLC4kP7rQyqes1RM="
+        "nixos-raspberrypi.cachix.org-1:4iMO9LXa8BqhU+Rpg6LQKiGa2lsNh/j2oiYLNOQ5sPI="
       ];
     };
     extraOptions = ''
diff --git a/nixos/mirai/services/default.nix b/nixos/mirai/services/default.nix
index 2cbaa02e..db3034a4 100644
--- a/nixos/mirai/services/default.nix
+++ b/nixos/mirai/services/default.nix
@@ -12,6 +12,7 @@
     ./tailscale.nix
     ./zerotier.nix
     ./prowlarr.nix
+    ./flaresolverr.nix
 
     # ./home-assistant.nix
     # ./jellyfin.nix
diff --git a/nixos/mirai/services/flaresolverr.nix b/nixos/mirai/services/flaresolverr.nix
new file mode 100644
index 00000000..3372de80
--- /dev/null
+++ b/nixos/mirai/services/flaresolverr.nix
@@ -0,0 +1,7 @@
+{...}: {
+  services = {
+    flaresolverr = {
+      enable = true;
+    };
+  };
+}
diff --git a/nixos/mirai/services/prowlarr.nix b/nixos/mirai/services/prowlarr.nix
index 5ad5760b..9efd2a6d 100644
--- a/nixos/mirai/services/prowlarr.nix
+++ b/nixos/mirai/services/prowlarr.nix
@@ -3,8 +3,5 @@
     prowlarr = {
       enable = true;
     };
-    flaresolverr = {
-      enable = true;
-    };
   };
 }
diff --git a/nixos/ryu/configuration.nix b/nixos/ryu/configuration.nix
index ef434cca..bb94a3e0 100644
--- a/nixos/ryu/configuration.nix
+++ b/nixos/ryu/configuration.nix
@@ -39,13 +39,13 @@
       auto-optimise-store = true;
       extra-experimental-features = "nix-command flakes auto-allocate-uids";
       trusted-users = ["root" "servius"];
-      substituters = [
-        # "https://nix-community.cachix.org"
-        # "https://sh.darksailor.dev"
+      trusted-substituters = [
+        "https://nix-community.cachix.org"
+        "https://nixos-raspberrypi.cachix.org"
       ];
       trusted-public-keys = [
-        # "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
-        # "mirai:bcVPoFGBZ0i7JAKMXIqLj2GY3CulLC4kP7rQyqes1RM="
+        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+        "nixos-raspberrypi.cachix.org-1:4iMO9LXa8BqhU+Rpg6LQKiGa2lsNh/j2oiYLNOQ5sPI="
       ];
     };
     extraOptions = ''
diff --git a/nixos/tsuba/configuration.nix b/nixos/tsuba/configuration.nix
index 4e60fda6..b7a2e045 100644
--- a/nixos/tsuba/configuration.nix
+++ b/nixos/tsuba/configuration.nix
@@ -17,11 +17,13 @@
       auto-optimise-store = true;
       extra-experimental-features = "nix-command flakes auto-allocate-uids";
       trusted-users = ["root" "remotebuilder" device.user];
-      substituters = [
+      trusted-substituters = [
         "https://nix-community.cachix.org"
+        "https://nixos-raspberrypi.cachix.org"
       ];
       trusted-public-keys = [
         "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
+        "nixos-raspberrypi.cachix.org-1:4iMO9LXa8BqhU+Rpg6LQKiGa2lsNh/j2oiYLNOQ5sPI="
       ];
     };
     extraOptions = ''
diff --git a/nixos/tsuba/services/default.nix b/nixos/tsuba/services/default.nix
index 5642890e..ae8af9ce 100644
--- a/nixos/tsuba/services/default.nix
+++ b/nixos/tsuba/services/default.nix
@@ -9,5 +9,6 @@
     ./homeassistant.nix
     # ./dnscrypt.nix
     ./resolved.nix
+    ./flaresolverr.nix
   ];
 }
diff --git a/nixos/tsuba/services/flaresolverr.nix b/nixos/tsuba/services/flaresolverr.nix
new file mode 100644
index 00000000..3372de80
--- /dev/null
+++ b/nixos/tsuba/services/flaresolverr.nix
@@ -0,0 +1,7 @@
+{...}: {
+  services = {
+    flaresolverr = {
+      enable = true;
+    };
+  };
+}