Go to Settings > Community Plugins, press “Check for updates”, and update the plugin. The problem you’re seeing has been fixed. Custom sort does not work on mobile · Issue #193 · SebastianMC/obsidian-custom-sort · GitHub
Go to Settings > Community Plugins, press “Check for updates”, and update the plugin. The problem you’re seeing has been fixed. Custom sort does not work on mobile · Issue #193 · SebastianMC/obsidian-custom-sort · GitHub