Use Mega Hack V7 Pro to learn levels, not to fake skill. Every top player (from Zoink to Doggie) uses it for practice mode, but they turn off all collision hacks when recording their official completion.
This is the most controversial aspect. RobTop (the developer of Geometry Dash) has stated that in single-player. However, there are nuances: Mega Hack V7 Pro Geometry Dash
While the tool includes "cheats" (like Noclip or Speedhack), the community has a strict code of ethics. Using these features to beat levels for leaderboard points is a bannable offense. However, the community encourages using these tools for showcasing Use Mega Hack V7 Pro to learn levels, not to fake skill