Accepted answer
Short answer: Old APK versions are usually riskier because they may miss security fixes.
How I check this as a player
I avoid old files unless I can verify the publisher, version history and reason for using them.
What it changes at the table
Older versions may also fail on newer Android releases.
Safety note
This site is an independent 3Patti guide. I use these answers for learning rules, comparing app claims and spotting risky wording; we do not operate real-money games, process payments, or guarantee APK safety, winnings, withdrawals or bonuses.