Fees on ethereum network is a big concern at this moment yet there will be no excuse because Duelbits have already LTC and Doge.
These rising fees and TX times associated with both BTC and ETH are one of the primary reasons why so many gamblers including me shifted to payment methods like LTC, Doge, XRP etc due to which their prices increased recently.
ETH2 could possibly solve these issues for ETH, but BTC issues will probably persist based on my research.
This is a great addition though for me LTC is already enough for a cheaper transactions, maybe Duelbits just add Doge because of the current demand on Doge nevertheless, this is still a great update for us.
It's not just because of the recent rise in Doge price. The fees associated with Doge have been miniscule for a long period of time which is why many gamblers prefer it over BTC, ETH etc for withdrawals etc.