The exchange rate between the US dollar and the Nigerian naira is constantly fluctuating. To determine how much a $150 Google Play card is worth in naira today, one needs to check the current exchange rate.

Financial institutions and currency exchange platforms provide the most accurate and up-to-date exchange rate information. By looking at the prevailing rate, you can calculate the equivalent amount in naira. For example, if the exchange rate is 1 USD = 410 NGN, then a $150 Google Play card would be worth 150 * 410 = 61500 NGN.
However, it's important to note that exchange rates can change throughout the day. So, it's advisable to check multiple sources and keep an eye on the rate trends to get the most precise value of the $150 Google Play card in naira at any given moment.