Kohli wrote, "Never Stop. Keep At It #MakeItCount 💪."
Earlier, Kohli tweeted his image in German football team's jersey.
"Excited for #Euro16 I'm all in with Die Mannschaft for the Euros! Which team are you supporting? #FirstNeverFollows," Kohli wrote on his Twitter handle.
Kroos replied to Kohli on Twitter and even promised to send the cricketer a gift.
"Beautiful shirt and great number choice @imVkohli ! Awesome! Going to send you a gift😀 #FirstNeverFollows," the German midfielder tweeted.
Today, Rio-bound Indian shuttler Saina Nehwal, who just clinched the Australian Open Super Series title in Sydney, complimented Virat Kohli and said she wants to be aggressive like Indian Test skipper Virat Kohli.
The 26-year-old from Hyderabad defeated Sun Yu of China in the finals yesterday to notch up her first title of the season ahead of the Rio Olympics.