For Sony:
Compabile Models: Guangzhou HangDeng Tech Co. Ltd , https://www.hangdengtech.com
Installation process 1 Download APK Copy U disk → 2 Insert U disk into TV → 3 Open application housekeeper → 4 Enter the removable storage device Find the installation package → 5 Installation is complete
Steps
1. Baidu search for "sofa manager" into the sofa network, download the sofa butler package; or directly click the link (http://app.shafa.com/shafa.apk) to download the sofa butler package. 
Copy the downloaded apk installation package to the U disk.
2. Connect the USB drive to the TV's USB port and click Local Media. 
If you still can not read the U disk, it is recommended to format the U disk to FAT32 format (if there are other contents in the U disk, export and then format), or try another U disk.
If the installation fails, restart the device and try again by following the steps (may be useful). Still have questions please add the official QQ group below.
For Xperia Z4V, For Xperia Z3V
For Google:
For Nexus 4, For Nexus 5, For Nexus 6, For Nexus 7
For MOTORALA:
For Moto Droid Turbo, For Moto Droid Turbo 2, For Moto Droid 5
For NOKIA:
For Lumia 920, For Lumia 928, For Nokia Lumia 93, For Lumia 950, For Lumia 950 XL, For Lumia 1020, For Nokia Lumia 1050, For Nokia Lumia 822, For Nokia Lumia 735
For HTC:
For HTC ONE MAX T6, For HTC Incredible 4G, For HTC ONE mini 2, For HTC Droid DNA
For LG:
For LG Nexus 4, For LG Nexus 5, For LG G Pro, For LG D1L, For LG LTE2
For Iphone:
For Iphone8/X/XR/XS Max
For Samsung:
For Galaxy S6, For Galaxy S6 Edge, For Galaxy S6 Edge+,
For Galaxy S6 Active, For Galaxy S6 Duos, For Galaxy Note Edge,
For Galaxy S7, For Galaxy S7 Edge, For Galaxy Note 5
For Galaxy S8, For Galaxy S8 Plus, For Galaxy Note 8
For Galaxy S9,For Galaxy S9 Plus
For Others:
Opel TV third-party software installation method
Opel Korea TV installed sofa butlers through U disk.
3. Select All, find the sofa manager apk in the U disk under all categories and click Install.
Watch on-demand video on smart TV, recommend using pudding video; Watch live TV, recommend HDP live broadcast; More interesting content, please use Tencent video TV version, TV; Fun smart TV and box, more exciting content in Sofa net.