Congratulations on completing your first project! The core concept of keeping the object in the air while dealing with obstacles is a classic arcade loop and great for a jam project.
Regarding the art style, the dark silhouette visual fits a mysterious forest vibe, but the color palette is a bit too dark at the moment. Increasing the contrast—especially between the background trees, the player, and the interactive elements—would greatly help visual readability during gameplay so the player doesn't lose track of the action.