Take your time on swipes
It's very easy to get panicky as you rapidly go back and forth on the track to capture items. Yes, you want to be able to do this at a fair pace, especially since you're always on the move. But try and practice going a tad slower on your right to left movements if you can.
I say this because sometimes when you go too fast, you'll knock balls out of the capture area of your scooping tool. It would only be a few balls so it wouldn't be the end of the world, but if you want the best possible score, then you should try to be careful with how fast you move left to right.
It's really about just finding a balance in your movements. You need to be fast, but not too swift. Going at a smooth pace will allow you to catch almost everything. With all of that being said, play your way; this is a fun, casual game after all.
Buy some things in the shop
It's always nice when you get a chance to customize things to suit your style. In Picker 3D, there's a little shop that you can go to do to buy certain items. It could be some new colors and designs for your picker or new colors for the items that you scoop up.
Heck, you can even unlock cute small animals to help steer your picker. And when you're sitting idle, they hilariously start doing random dances. And although some of the items require diamonds, there are some that are free. That includes the little animals.
In order to get them, you'll need to watch ad videos (yes, I know, but hang in there). One will randomly be unlocked after each time you watch a video. In short, all of the animals are free, and the same goes for the different color collection of balls and items. But, everything else costs some diamonds, which is actually a good thing because it makes your gameplay experience more rewarding.
Play the Daily Challenges
There are challenges that you can do each day, each with their own fun, random track settings. It could be something like doing a run on a dark track for example. Each day you hop on, there will be something new. And yes, of course, you will get rewarded diamonds for your efforts.
It brings you a fresh perspective when playing Picker 3D. Each time you hop on, you just never know what to expect. If you have the patience to wait each day for a new challenge, it's truly one of the best things in the game. The game's replay value is already pretty decent and does its job as associated with its genre.
Having variety is also nice in games, and these challenges help add to it. So definitely take advantage of them and take in unique aesthetics of each one.
Doing Missions are a great way to rack up some diamonds. And starting off, some of them are pretty easy to accomplish. For example, one of them asks you to finish 10 levels. If you do so, then you'll receive a juicy 900 diamonds to add to your collection.
You'll be feeling pretty satisfied once you earn them. The store is limited, but it's nice when you can make some purchases and decorate your game. You'll earn currency anyway, but doing the Missions will really raise the stacks. Of course, they change up every time you complete them so there's always something new.