He attended Gladesmore Community School in Tottenham until he was 14, when he left to focus on playing football full-time at Arsenal's youth academy.

[11][2][3][4][5] He featured heavily in Arsenal's pre-season in Austria and received praise from senior manager Arsène Wenger for his performances at the 2010 Emirates Cup: "I believe Frimpong has done really well as well.

[13] After returning from the injury, on 17 June 2011, Frimpong claimed he was in talks with Championship club Cardiff City and League One side Charlton Athletic over a possible loan deal, which could provide him with regular football.

[14] Frimpong made his Premier League debut for Arsenal in their match against Newcastle United on 13 August 2011, coming on as a second-half substitute for Tomáš Rosický.

[16] He made his first start in the Premier League on 20 August 2011 against Liverpool, but ended up being sent off in the 69th minute of the match after receiving a second yellow card for a challenge on Lucas.

[17] Following Arsenal's loss to Manchester City in the League Cup quarter-finals, Frimpong and then-teammate Samir Nasri clashed in the tunnel.

They had tussled throughout the tie and at the end of the match they appeared to start arguing as the teams walked off the pitch, before continuing their disagreement in the tunnel.

[19] On 1 January 2012, it was confirmed that Frimpong had joined fellow Premier League side Wolverhampton Wanderers on loan until the end of the season.

In only his fifth appearance for the club, however, he ruptured a cruciate ligament in his right knee during a 2–1 win at Queens Park Rangers, effectively ending his season.

Afterwards, Frimpong took to social media to apologize for his action, but at the same time blamed racist abuse from the fans for what provoked him to make that gesture.

"[40] In August, Frimpong had planned to spectate at a friendly match between Ghana and Nigeria at Vicarage Road in Watford, but the game was postponed due to the 2011 England riots.

[47][48][49][50] Frimpong is the cousin of Norwegian-Ghanaian professional footballer Yaw Amankwah, who plays as a centre back for Norwegian club Stabæk.