Want to use an Anchor program in your @solanamobile app? Learn how to scaffold an Expo app that talks to an Anchor counter program on Devnet, add an instruction, deploy your own copy, and use Codama keep the app and program in sync. Got ideas for videos, templates, or sample apps you'd like to see? Reply and we'll put them on the list. Chapters: 00:00 Preview: a counter app on Devnet 00:26 Prerequisites: Anchor and Solana fundamentals 00:43 Programs, accounts, and transactions 00:55 Create the app from the Anchor template 01:16 Run the app and connect the wallet 01:32 Initialize and increment the counter 02:05 Inside the Anchor program 02:57 The IDL: the program's contract 03:15 Generate the client with Codama 03:59 Wire the client into the app 05:10 From program to UI: the full flow 05:45 Add a decrement instruction with an agent 06:06 Review the generated changes 06:35 Why we deploy our own program 06:56 Set up a new program address 07:24 Deploy to Devnet and fund the wallet 07:56 Test the new decrement instruction 08:37 Recap