Growth will be after the public launch of the main chain. Until this time, the price of a coin will hit around 1000 sat.
Do you think the price of the coin could fall any lower? or is now the best time to buy?
If I knew that they would grow, I would buy them myself and not tell you anything. But nobody knows this.
They now have the main network working and a little migration of tokens is going on. Go to their news, look at the explorer block, how the network works, what has already been done and decide for yourself if they have a future.