Before you decide to search for a save file, consider what you are skipping. The developers at Firemonkeys (now managed by EA) designed the late game to be a marathon.
: Aim to reach the maximum Town Value to unlock the highest daily rewards from the mailbox. sims freeplay save game level 55
Some advanced players create a secondary Level 55 save using a different Facebook account, then re-add their main town as a "Neighbor" to visit for LP (by completing daily tasks at other towns). However, Firemonkeys has patched many such exploits. Before you decide to search for a save
To use a pre-existing save file, you must use the game's feature. Note that this often requires a Facebook, Game Center, or Google Play account for the transfer. Sims Freeplay | How to save to the cloud Some advanced players create a secondary Level 55