diff --git a/app/README.md b/app/README.md
index 21075df1f..b058974bb 100644
--- a/app/README.md
+++ b/app/README.md
@@ -3,8 +3,10 @@
 ### Requirements
 
 Install `nodejs v18`, [circom](https://docs.circom.io/) and [snarkjs](https://github.com/iden3/snarkjs)
-For android, install java and the android sdk
-For ios, install [cocoapods](https://cocoapods.org/)
+
+For android, install java, android studio and the android sdk
+
+For ios, install Xcode and [cocoapods](https://cocoapods.org/)
 
 ### Installation
 
@@ -58,8 +60,10 @@ yarn start
 ```
 Then press `a` for android or `i` for iOS
 
-If you want to see the logs and have a better ios developer exprience, open `/ios` in Xcode and launch the app from there instead
-To see the android logs you'll have to use the Android Studio Logcat
+If you want to see the logs and have a better ios developer experience, open `/ios` in Xcode and launch the app from there instead.
+Currently, proof generation seems to fail sometimes with the react native server, so prefer using Xcode instead.
+
+To see the android logs you'll have to use the Android Studio Logcat.
 
 To export an apk:
 ```
diff --git a/app/scripts/build_android_module.sh b/app/scripts/build_android_module.sh
index e79cf0a39..3e72789df 100755
--- a/app/scripts/build_android_module.sh
+++ b/app/scripts/build_android_module.sh
@@ -1,5 +1,6 @@
+mkdir -p ark-circom-passport/passport
 cp ../circuits/build/proof_of_passport_final.zkey ark-circom-passport/passport/
-echo "proof_of_passport_final.zkey to ark-circom-passport"
+echo "copied proof_of_passport_final.zkey to ark-circom-passport"
 
 ARCHITECTURE="aarch64-linux-android"
 
diff --git a/app/scripts/download_current_zkey.sh b/app/scripts/download_current_zkey.sh
index 1190719ba..9d4f17be4 100755
--- a/app/scripts/download_current_zkey.sh
+++ b/app/scripts/download_current_zkey.sh
@@ -1,3 +1,4 @@
+mkdir -p ../circuits/build
 cd ../circuits/build
 wget https://current-pop-zkey.s3.eu-north-1.amazonaws.com/proof_of_passport_final.zkey # ios
 cd ../../app
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