I know that I got it in good here, however, I want to know your opinions on how you would play the hand and why. Please note that the tournament is the Big $0.55 on PokerStars.

*********** # 108 **************
PokerStars Hand #163259066814: Tournament #1760688161, $0.50+$0.05 USD Hold'em No Limit - Level XII (200/400) - 2016/12/20 16:05:22 ET
Table '1760688161 197' 9-max Seat #9 is the button
Seat 1: JonJohnnys (1322 in chips)
Seat 2: JMVIndustry (6661 in chips)
Seat 3: maggie$pider (18215 in chips)
Seat 4: Thiemo14 (5000 in chips)
Seat 5: rusTuristo (9202 in chips)
Seat 6: Sir Bubi III (4956 in chips)
Seat 7: SergeyGhu (21945 in chips)
Seat 9: Enix929 (9877 in chips)
JonJohnnys: posts the ante 25
JMVIndustry: posts the ante 25
maggie$pider: posts the ante 25
Thiemo14: posts the ante 25
rusTuristo: posts the ante 25
Sir Bubi III: posts the ante 25
SergeyGhu: posts the ante 25
Enix929: posts the ante 25
JonJohnnys: posts small blind 200
JMVIndustry: posts big blind 400
*** HOLE CARDS ***
Dealt to JMVIndustry [As 4s]
maggie$pider: calls 400
Thiemo14: calls 400
rusTuristo: calls 400
Sir Bubi III: folds
SergeyGhu: folds
Enix929: folds
JonJohnnys: calls 200
JMVIndustry: checks
*** FLOP ***
JonJohnnys: checks
JMVIndustry: bets 1254
maggie$pider: calls 1254
Thiemo14: raises 3321 to 4575 and is all-in
rusTuristo: folds
JonJohnnys: folds
JMVIndustry: calls 3321
maggie$pider: folds
*** TURN ***
*** RIVER ***
*** SHOW DOWN ***
JMVIndustry: shows [As 4s] (three of a kind, Fours)
Thiemo14: shows [6d Ad] (a flush, Ace high)
Thiemo14 collected 12604 from pot

How would you have played the hand?