Don't worry friend, I got the full answer for your problems:
Unlock nyota Blade wewe have to unlock nyota Blade from Devil Within. Go to the first room in Stage 4-2, there is a breakable ukuta underneath the higher ledge. Transform to Devil Jin and press L1 + SQUARE to blast at the wall.
There will be some tiles appear after the ukuta is destroyed. Jump over the tiles and songesha on to the inayofuata room. There will be a spaceship from nyota Blade in the middle of the room. Collect it and continue to beat Stage 4 to unlock nyota Blade. (Unverified) Unlockable: Start the Devil Within mini-game in Devil mode Make sure wewe clear Devil Within at Medium difficulty with all the Evil Symbols collected. Go start a new Devil Within au Stage Select. Hold down L2, Select and R3 while selecting. Unlockable: Final Stage 2 wewe have to play 200 arcade mode matches. Unlockable: Devil Jin To play as Devil Jin, wewe must complete Tekken: Devil Within mini-game.
Alternate method: complete story mode with everyone else and devil jin will be selectable.
Alternate method: wewe can also beat the game with every character and play zaidi than about 200 games in Story Mode.
EktorUnlock Jinpachi's Movie To unlock Jinpachi's movie in Theater mode, wewe have to lose to him and get a game over using any character in Story Battle mode. nina williamsUnlock Eddie Gordo Buy all the extra costumes for Cristy Montero custom mode. SeekoUnlock Theater Mode Beat Story Mode with any character. To play sinema in Theater Mode wewe have to beat Story Mode with the character wewe want to unlock the movie for (that's self-explanatory). Beating Story mode requires wewe to play story mode with Christie, Eddy, Panda, and Kuma. Unlockable: Characters Anna Williams: Beat Story Mode two times Baek: Beat Story Mode three times Bruce Irvin: Beat Story Mode 4 times Devil Jin: Complete Devil Within mini-game, au fight 200 matches. Ganryu: Beat Story, Battle au Time Attack mode 6 times Heihachi: Beat Story, Battle au Time Attack mode 8 times Kuma: Beat Story, Battle au Time Attack mode 5 times Ling (School Girl): Win 50 Versus matches, and press right-punch to select Ling. Mokujin: Beat Story, Battle au Time Attack mode 7 times Roger Jr.: Beat Story Mode with Kazuya Wang Jinrei: Beat story mode/time attack 5 times with different characters.