The expression “越来越” is used to indicate that the degree increases or decreases as time passes. It can be used to modify a noun, as in example (1), and to modify an adjective, as in example (2). Sometimes it can also be used before a verb, as in the example (3).
1. 越来越多的中国人开始用移动互联网了。
More and more Chinese began to use mobile internet.
2. 智能手机越来越流行了。
Smartphones became more and more popular.
3. 我越来越喜欢吃中国菜了。
I'm getting to like to eat Chinese food more and more.