"I hope the door is not closed, that's one of my aims, that T20 World Cup," ESPNcricinfo quoted Hales as saying on Wednesday while he was attending the Caribbean Premier League draft here.
"I'm going to go through the process, hopefully score some runs in these tournaments and see how we go. I want to enjoy my cricket," he added.
Hales was named in England's preliminary 15-man squad only to be axed last week after a newspaper report revealed the 30-year-old was serving a 21-day ban for a second positive drugs test.
The England opener, however, he remains firmly behind his team who are bidding to win their first World Cup trophy.
"I will (be watching)," he said. "I am still a fan and I wish the boys the best. What we've done over the last few years is unbelievable, the guys deserve to win it, and I will be sat there watching and cheering."
He also said that apart from England, India are the favourites to lift the coveted trophy. "Apart from England, I'd say India (are favourites to win), but the way all teams are playing at the moment, you never know. It's a really open tournament. I'm really looking forward to watching it."
The 31-year-old, who has been picked by Barbados Tridents for this year's competition, said he was looking forward for the opportunity to play.
"It's good responsibility and good for learning as an overseas player - there's probably a bit more pressure on you to perform. That's something I enjoy. I've played a lot of cricket for England now. That side of the game, the pressure, is something I really enjoy and have learned to adapt and get used to," he said.
"I just want to get back playing what I love most and that's cricket so this is such a good opportunity to go and play at a ground where I've got some fond memories - the Kensington Oval - and go and play in such a big tournament in some different conditions. I'm really looking forward to getting back out there," he added.
( With inputs from IANS )