A lot of things.

app/Http/Controllers/ToolsController.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+
+class ToolsController extends Controller
+{
+
+    public function patcher()
+    {
+
+        $patches = [
+            'file' => 'ZELDA.ips',
+            'name' => "Meltin",
+            'description' => 'Blablabla',
+            'outputName' => 'Game...'
+        ];
+
+        return view('tools.patcher', compact('patches'));
+    }
+}