Pogba, 25, has only started only four of United's last 10 games and was dropped for both legs of their last-16 tie against Sevilla in the Champions League, the tie that saw them knocked out.
France's forward Kylian Mbappe (L) celebrates with France's midfielder Paul Pogba after scoring the opening goal during an worldwide friendly football match between Russian Federation and France at the Saint Petersburg Stadium in Saint Petersburg on March 27, 2018.
"There are always things we can do better".
Fedor Smolov did pull one back for Russian Federation, but Kylian Mbappe doubled his tally for the match to make the result safe and leave Deschamps happy with his players' efforts at the Petrovsky Stadium. Hosts Russia scored once and it was a goal from Fedor Smolov (68th minute).
The impressive Pogba then won and lined up a free-kick on 49 minutes, curling over the wall and into the bottom corner past Lunev.More news: Odell Beckham rumors: Rams willing to trade first-round pick
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The Manchester United midfielder was an influential figure throughout the game, setting up Mbappe for the opener on 40 minutes with a fine through ball.
Pogba celebrates after scoring the team's second goal.
With the likes of Olivier GIroud and Thomas Lemar also emerging from the bench, it hammers home once again the strength in depth available to manager Didier Deschamps ahead of this summer's World Cup.
Mourinho is concerned that Pogba is not focused on football and needs to concentrate more, a worry that Deschamps is sympathetic to.
France has remaining friendlies against the Republic of Ireland, Italy and the United States before opening World Cup play against Australia on June 16.