A: Yes. The save data contains everything: your Sim's appearance, their apartment upgrades, story progress, and relationship statuses. There is no "profile" separate from the save file.
You can download 100% completed save files from various sites (like GameFAQs or Emulator forums). the sims 2 psp save data
: One of the most critical parts of your save data. Each Sim in Strangetown has up to four unique secrets—Personal, Intimate, Dark, and Mission-based—that you unlock through social minigames and store in your save. A: Yes