There is a lesser-known horror film by the same name that features a haunted doll.

: Critics on Rotten Tomatoes and IMDb praise the "spectacular scenery" and the performances, particularly Bruno Ganz as the grandfather. It is noted for its "lighthearted and heartwarming" tone, making it a favorite for family viewing. Heidi (1937) – Starring Shirley Temple

Heidi (2015) - IMDb

A classic Hollywood musical drama that remains popular for its nostalgic value.

The search result for a file named "Heidy (1) .mp4" does not refer to a single definitive movie, but rather appears to be a common filename for digital copies of various adaptations of the classic children's story by Johanna Spyri.