diff --git a/packages/opencode/bin/mimo b/packages/opencode/bin/mimo
index 7f8ab8ae2..65e521b59 100755
--- a/packages/opencode/bin/mimo
+++ b/packages/opencode/bin/mimo
@@ -6,7 +6,10 @@ const path = require("path")
 const os = require("os")
 
 function run(target) {
-  const result = childProcess.spawnSync(target, process.argv.slice(2), {
+  // On Android/Termux, glibc-linked binaries need grun (glibc-runner)
+  const isAndroid = os.platform() === "android"
+  const args = isAndroid ? ["grun", target, ...process.argv.slice(2)] : [target, ...process.argv.slice(2)]
+  const result = childProcess.spawnSync(args[0], args.slice(1), {
     stdio: "inherit",
   })
   if (result.error) {
@@ -35,6 +38,7 @@ const platformMap = {
   darwin: "darwin",
   linux: "linux",
   win32: "windows",
+  android: "linux", // Termux/Android uses linux binary via grun
 }
 const archMap = {
   x64: "x64",
diff --git a/packages/opencode/script/postinstall.mjs b/packages/opencode/script/postinstall.mjs
index c75ed2a0f..550dd1661 100644
--- a/packages/opencode/script/postinstall.mjs
+++ b/packages/opencode/script/postinstall.mjs
@@ -19,6 +19,10 @@ function detectPlatformAndArch() {
     case "linux":
       platform = "linux"
       break
+    case "android":
+      // Termux/Android — use linux-arm64 binary via grun (glibc runner)
+      platform = "linux"
+      break
     case "win32":
       platform = "windows"
       break