Personally, I wouldn't say say this is a make or break year for Allen.
The playoff game? A 23 year old coming from a small college, in a small town to the NFL playoffs in his 2nd year. He was nervous. He looked just as nervous as he did the first half of his rookie season. No big deal. He's a smart dude, He'll get over the nerves either this season or the next one.
Accuracy- Well jeez, he could be like every other QB out there and dump the ball off 10+ times a game instead of scrambling for 10+ yards.(but c'mon, we all really enjoy watching Allen run)
Deep Pass- He can throw deep. It's a threat every time he's on the field. Defenses know that. Gone are the days of Defenses stacking 9 players at the line.
He's the best QB we've had in YEARS.
Personally, he's the most enjoyable QB to watch since pre concussion Edwards.