(The question was effectively already answered, but A: Could use a little more detail & B: Have a lot less rude of a tone, so here you go)
Game Jam Theme (general concept):
The goal of any jam is to try making (and ideally, but not necessarily, finish) a game within the allotted time (for this jam, a week). To help provide motivation and a general starting direction for brainstorming, a theme is usually included. In most jams, themes are intentionally loose concepts left up to the participants interpretation. More often than not, as long as there was some explainable logic that got you from the theme to your design, you're good to go!
Theme 1 "Lil' guy:"
This series of jams all share the theme "lil' guy" which simply means any sort of small character or creature. A fantasy dwarf? A cute bunny rabbit? A sentient toaster? The specifics don't matter - it's more about the vibes. If you can point to it and go "look at this lil' guy," you got it! If you're struggling to think of ideas for a game revolving around a little guy, remember you can always just make a game to then retroactive slap a lil' guy into.
Theme 2 "little gays" (happy pride month!):
For lil' guy game jam 7, the 2nd theme is "little gays." The wording of the theme is mostly a play on the "little guy" theme, so if it helps, you can instead think of the 2nd theme as incouraging your game to have some LGBTQIA+ related element. Yuri visual novel? Pride parade management sim? JRPG that's a metaphor of the experience of being queer? Like the first theme, the specifics don't matter. Heck, if you're struggling for ideas, just focus on making the game and simply add the detail that one or more of your characters in it are queer. If your game doesn't have characters (your "lil guy" could just be a box with googly eyes) then another idea could be limiting yourself to the color palette of a Pride flag. End of the day, if there is some connection to LGBTQIA+, you're good!
Game Engine:
Any engine is allowed! You can even choose to not have an engine and instead make a physical game like a board game, card game, or TTRPG.
(Not one of your questions, but feels like an important note to make given the other response to your questions)
Regarding Generative AI (and asking questions):
Generative AI of any form is not allowed for this jam. As for using AI if you have a question, while no one can stop you, there are a lot of people here and in the Discord server that would gladly answer any questions you might have. There's nothing wrong with asking for clarifications.
(And TBH, I know a lot of people - myself included - would much rather someone ask their fellow jammers questions than ask an AI.)
I hope that answered your questions, but if you still need some clarifications feel free to ask and I (or another jammer) will try to help out as soon as possible.
Glad to have you here, good luck with your game, and don't forget to have fun!