The exchange rate between the US dollar and the Nigerian naira is constantly fluctuating. To determine how much a 75 - dollar Google Play card is in naira, one needs to check the current exchange rate.

Exchange rates are influenced by various factors such as economic conditions, central bank policies, and global market trends. Financial institutions and online currency exchange platforms provide up - to - date exchange rate information.
For example, if the exchange rate is 1 dollar = 410 naira, then a 75 - dollar Google Play card would be worth 75 * 410 = 30750 naira. However, it's crucial to note that the actual amount could be different depending on the specific exchange rate at the time of conversion. One should always verify the most accurate rate before making any conversions to ensure they get the best value for their money.