Here is the free app of Texas Mahjong on iOS device. You may proceed to scan the QR code which is shown on the image or download thru direct link below.

5 Easy Steps to playing Texas Mahjong on iOS
Step 1: Click on the “DOWNLOAD NOW” button below
Step 2: Install Texas Mahjong by opening the downloaded file and saving it locally to your device.
Step 3: Go to Settings => General => Profiles & Device Management
Step 4: Click on “XingLong Country KangXing Environmental Protection Co.,Ltd.” => Click Trust
Step 5: You’re all set and ready to play Texas Mahjong on your iOS device.