Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: Srushti-Thombre

games/Emoji-Memory-Game/Emoji-Memory-Game.py

@@ -24,12 +24,8 @@
 
 # Detect if running in browser (Pyodide)
 def is_browser():
-    """Return True if running in browser environment (Pyodide)."""
-    try:
-        import js  # Pyodide exposes this global
-        return True
-    except ImportError:
-        return False
+    """Return True if running in a browser environment (Pyodide)."""
+    return sys.platform == "emscripten"
 
 
 # Core, testable logic (no I/O, no global state)