They will probably learn a lot of stuff from taking apart the aliens' stuff but it'll be a year before they've even made sense of half of it (less if they share with other countries, probably). It's too early to guess whether they could get FTL from here. They can't get anything off the aliens' computers. 

"Mediocre," is the summary.

Sigh. "Could tell him Miolee told you they can do it, but - if he's not high-ranking enough to have the right to decide what serves the Andalite national interest here, or if he doesn't think helping us does, it'll get nowhere."

"We're not even sure this is how it works. Maybe this is a trick. Infiltration technique. Match someone and everyone who'd notice the difference, method act a little, replace them..." says someone else.

" - possible. Why us, though, they're mostly green, they're not that valuable -"

"You'd probably be the central person."

"Or Isel, since they landed in Miolee, don't know how they'd pick."

"I would be very hard to impersonate."

"I might just be looking for it but he does remind me of you a bit -"

"Oh?"

"I can't put my finger on it, really."

"Let's keep them talking."

The blue talking to Matirin happily keeps him talking!

Matirin is happy to talk! He's curious about their justice system and statistics on caste differences in aptitudes and Anitami history and his interlocutor's family and interests and hobbies.

Their judges are blue, and cops gather legwork-y evidence and yellow judicial assistants gather less legwork-y evidence and judges can investigate on their own if they feel moved to do so but they're encouraged to get cases over with in one interview, it makes it more swift and sure. Comparatively few people hit the out of caste income cap, although some people with mixed background awkwardly take after their mothers (and in most countries caste is actually matrilineal) - but mixed backgrounds aren't all that common, people usually self-sort themselves fine. Anitam was once partially conquered by the Oahk Empire, now reduced to a titchy little country yea far that way. His interlocutor has one son and one granddaughter and two great-grandchildren, here are pictures. She likes jogging and patronizing new artists and trying downscale restaurants which are sometimes surprisingly good and strategy board games.

He seems delighted by all of this. There are, as it happens, Andalite strategy board games! Mostly focused on space battle tactics - <but with enough misleading abstraction that I won't be in trouble for teaching you, if you would like to learn.>

She would love to.

They play space strategy board games. The Andalites take turns in morph and take turns pacing the perimeter of their grass and eventually with Matirin's leave set to sparring.

"Ooh, if they keep that up the soldiers're gonna want to play."

<...your species does not look very dangerous in melee, am I missing something?>

"They'd want sticks or something. Or they'd just play defense."

<They are welcome to join if they'd like. No Andalite warrior is careless enough to harm someone playing.>

She lets the soldiers know that this is permissible and some of them go get sticks and fence with the tails.

The Andalites slow it down a little and scrupulously avoid harming any Amentans with tail blades. A couple of them become uncomfortable on realizing they are sparring with girl Amentans.

"...Do you want me to send the women away? I can have more male soldiers rotated in in their place," the blue offers again.

<You are aliens, there is no reason to expect your aptitudes to match ours.>