On an interview by Kotaku with Valve boss Gabe Newell, he said that Valve is working on getting Dota 2 running on some tablets. With the huge popularity of tablets, there are already millions of them.
Looks like Dota 2 is not coming yet but with the fast improvements on tablet performance, sooner or later Dota 2 and other games like Starcraft 2 will become available on tablets.
"We were working on getting Dota 2 running on some tablets," - Newell told Kotaku.
"That ended up being kind of a disappointment. But the good news is that tablets are getting faster very quickly, so I think we'll get the kind of performance we want and other game developers want in the near future."
Looks like Dota 2 is not coming yet but with the fast improvements on tablet performance, sooner or later Dota 2 and other games like Starcraft 2 will become available on tablets.