created basic gui for interacting with an android device via adb

requirements.txt

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+# ------------------------------------
+# Python dependencies for this project
+# ------------------------------------
+# This project only uses Python's standard library modules:
+#   - json
+#   - subprocess
+#   - os
+#   - tkinter (comes bundled with Python on most systems)
+#
+# Therefore, there are no external Python packages needed
+# to be installed via pip.
+#
+# You do, however, need "scrcpy" and "adb" installed on your system PATH.
+#
+# If you are missing tkinter (rare on some systems), you may need to install:
+#   - On Debian/Ubuntu: sudo apt-get install python3-tk
+#   - On macOS (Homebrew): brew install python-tk (usually tkinter is pre-included)
+#   - On Windows: usually included with official Python installer