There are a few ways to get premium Android apps for free.

• Use the Google Play Store. The Google Play Store often offers discounts on premium apps. You can also find free trials for some premium apps.
• Use third-party app stores. There are a number of third-party app stores that offer premium apps for free. However, it is important to note that these app stores may not be as reliable as the Google Play Store, and you may risk downloading malware or pirated apps.
• Use a subscription service. There are a number of subscription services that offer access to a library of premium apps for a monthly or yearly fee. Some popular subscription services include Google Play Pass and the Amazon Appstore.
• Use a coupon or promo code. You may be able to find coupons or promo codes that offer discounts on premium apps. You can often find these coupons and promo codes on websites like Reddit or Slickdeals.