Bound for Earth

A group of aliens from a planet named SpearKind have went on a mission to explore the entire galaxy.
They knew it would take ages but that was the entire point.

Except, their plans were foiled when the ship crashed right on planet Earth.
They had to find new ways to adapt to living there, taking forever to be accepted.
Eventually, they finally fixed their ship.
But decided to bring other humans with them and explore the galaxy together.