How about a mobile phone calendar?

The operation method of downloading perpetual calendar by mobile phone is as follows (taking Red Rice mobile phone and Chinese perpetual calendar as examples):

First, open the "App Store" of Redmi 1s mobile phone;

Second, search for "China Calendar" in the search window of "App Store";

Step 3, then select the software you want to choose, as shown in the following figure:

Fourth, finally click "Install", as shown in the following figure: