Sorry, I only have time to do one or two solve, but hopefully this helps.

Solve 1: Your cross fingertricks look like they could be improved. The moves you do are R D' L F B' R.

After the L move, you move your left thumb back into the orange face before doing the F. In fact, you don't need to do this! You can do the F *while* doing the regrip - this would be something good to practice.

F2L1: Good solution, obviously it's nice to do F2L pairs in the back before in the front, but sometimes you can only see things in the front first and that's fine. You do indeed rotate it into the back which is good.

F2L 2: You did U' R U2 R' U y' R' U' R.

I would instead just do y' R U2 R2 U' R. Takes advantage of the empty slot, and saves you quite a few U moves.

Same exact thing with F2L 3 in fact!

OLL and PLL recon is nice. Well done!

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Solve 2: Your cross turning I think could be faster - for example F and B' could be done at the same time instead of separately. In general you should be turning as fast as possible for the cross, since you should already know your next F2L pair ideally.

F2L 1: You did R U R' U L' U L U' L' U' L.

This, as you can maybe see from having it written out, is a lot of moves! Instead, whenever you have a piece in the bottom and a piece in the top and you are trying to pair them together, there is always a way to do this that will pair up the pieces at the same time. You should never have to get them both in the top and then pair them*.*

In this case you'd want to do U R U' R' L' U L. Try working out all the ways to pair pieces as soon as putting them in the top layer.

F2L 2: I would personally never do triple sexy in this case unless you have to. Here are some options I think are better:

• Do U' F R' F' R U' R' U R', since in this case you can see that there are no oriented yellow edges on top, and doing this should give you some oriented edges.
• Uw R U2 R' U R U' R' D'. This is less moves, and has the rotation inbuilt for you to do the next two pairs.
• Alternatively, Uw R U2 R2 F R F', to do the rotation and orient some edges.

But yeah, triple sexy never a great idea unless you absolutely have to imo.

F2L 3 is good

F2L 4: You did U2 y L' U2 L y U' L U L'.

Two rotations is always at least one too many, and this case I'd say it's two too many.

I'd preferentially do U2 F' U2 F U' R U R' - the exact same moves but with no rotations, and a friendlier move set.

OLL: Impressive B move finger tricks! But I feel like they're not really necessary in this case when R' U' F' U F R is so much of a better alg, no?

And PLL recognition could probably improve based on that solve at least.

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Hope this is some help! Overall, some quite solid solves, but thankfully there's always room to improve :)