Complex sentence: It has yet to happen, but Watermelon has assured fans they will be ready for late April/early May, the time to buy pre-order a cartridge is now, while you still have a chance.
Split into simpler sentences: It has yet to happen, but Watermelon has assured fans they will be ready for late April/early May. The time to buy pre-order a cartridge is now, while you still have a chance.