Nice game, I could definitely see this on the play store with a little polish. The core gameplay loop works well for an addictive, frenzied experience. I like the superposition of friendly graphics and farming with the horror and frenzy of being eaten if you don't meet the goal.
One area which needs improvement is the UI; instead of having UI elements on the top right of the screen, think about where the player will mostly be looking (their character) and put the UI there, either as a diegetic element (a belt of seeds, a water can, something like that) or extra-diegetic element (like a health bar). For the plants as well, it's tricky to tell when a plant needs water from when it is growing. Instead of numbers of seconds until completion, think of a more instantly parsable format like a circular indicator filling, with one color per phase.
Good job overall though, polish it a bit and put it on stores!