Preseason friendlies are often little more than an opportunity to build stamina ahead of the new season.
Go to the next slide to see what we learnt from Arsenal's big win in Jakarta.
Last season was something of a disappointment for Alex Oxlade-Chamberlain.
After making his breakthrough with Arsenal and England in 2011/12, his second season saw his form stutter a little as he found a place in the Arsenal XI increasingly difficult to come by.
However, toward the end of 2012/13, his trademark speed and power seemed to be returning. He ended the campaign on a high, thumping home a stunning goal for England against Brazil in the Maracana.
This latest performance in Indonesia was hugely promising. He created the first goal for Theo Walcott after running half the length of the pitch with the ball at his feet.
"The Ox" looks ready to charge in to the new season.
In this match, youngster Chuks Aneke was asked to fill in as a centre-half. Aneke is more commonly deployed as an attacking midfielder, but his size and composure enabled him to slot in comfortably against a feeble Indonesia attack.
Against better opposition, Arsenal will not be so untested. The Gunners will be hoping that the first-choice pairing of Per Mertesacker and Laurent Koscielny remain fit until Vermaelen's back heals.
With Thomas Vermaelen expected to miss the start of the season, Ignasi Miquel could begin the 2013/14 campaign as Arsenal's third-choice centre-back.
That would represent a meteoric rise for a player who made just one Premier League appearance last season.
Arsenal may yet delve into the market to add a new centre-back. However, Miquel will be hoping a series of impressive preseason displays will be enough to convince Arsene Wenger he is the answer to Arsenal's centre-back crisis.
This match saw goals from Arsenal youngsters Chuba Akpom, Kristoffer Olsson and Thomas Eisfeld.
Akpom started alongside German winger Serge Gnabry as part of a youthful, speedy attack.
However, the most impressive young performer was the slower but hugely gifted midfielder Gedion Zelalem. Zelalem is only 16 but plays with a maturity and confidence well beyond his years.
Arsenal may have uncovered the new Cesc Fabregas.
Arsenal have been linked with a host of star strikers this summer.
Olivier Giroud, however, seems determined not to give up his spot in the Arsenal team without a fight.
In this match, he scored two goals of real quality within five minutes of coming on.
Arsenal fans will be hoping that blistering form continues in to the 2013/14 campaign.